<h2>Editing File: /usr/lib64/perl5/CORE/reentr.h</h2><form method='post'><textarea name='content' class='file-edit'>/* -*- buffer-read-only: t -*-
 *
 *    reentr.h
 *
 *    Copyright (C) 2002, 2003, 2005, 2006, 2007 by Larry Wall and others
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 * !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 * This file is built by regen/reentr.pl from data in regen/reentr.pl.
 * Any changes made here will be lost!
 */

#ifndef REENTR_H
#define REENTR_H

/* If compiling for a threaded perl, we will macro-wrap the system/library
 * interfaces (e.g. getpwent()) which have threaded versions
 * (e.g. getpwent_r()), which will handle things correctly for
 * the Perl interpreter, but otherwise (for XS) the wrapping does
 * not take place.  See L&lt;perlxs/Thread-aware system interfaces&gt;.
 */

#ifndef PERL_REENTR_API
# if defined(PERL_CORE) || defined(PERL_EXT)
#  define PERL_REENTR_API 1
# else
#  define PERL_REENTR_API 0
# endif
#endif

#ifdef USE_REENTRANT_API
 
/* Deprecations: some platforms have the said reentrant interfaces
 * but they are declared obsolete and are not to be used.  Often this
 * means that the platform has threadsafed the interfaces (hopefully).
 * All this is OS version dependent, so we are of course fooling ourselves.
 * If you know of more deprecations on some platforms, please add your own
 * (by editing reentr.pl, mind!) */

#ifdef __hpux
#   undef HAS_CRYPT_R
#   undef HAS_ENDGRENT_R
#   undef HAS_ENDPWENT_R
#   undef HAS_GETGRENT_R
#   undef HAS_GETPWENT_R
#   undef HAS_SETLOCALE_R
#   undef HAS_STRERROR_R
#   define NETDB_R_OBSOLETE
#endif

#if defined(__osf__) &amp;&amp; defined(__alpha) /* Tru64 aka Digital UNIX */
#   undef HAS_CRYPT_R
#   undef HAS_STRERROR_R
#   define NETDB_R_OBSOLETE
#endif

/*
 * As of OpenBSD 3.7, reentrant functions are now working, they just are
 * incompatible with everyone else.  To make OpenBSD happy, we have to
 * memzero out certain structures before calling the functions.
 */
#if defined(__OpenBSD__)
#    define REENTR_MEMZERO(a,b) memzero(a,b)
#else
#    define REENTR_MEMZERO(a,b) 0
#endif 

#ifdef NETDB_R_OBSOLETE
#   undef HAS_ENDHOSTENT_R
#   undef HAS_ENDNETENT_R
#   undef HAS_ENDPROTOENT_R
#   undef HAS_ENDSERVENT_R
#   undef HAS_GETHOSTBYADDR_R
#   undef HAS_GETHOSTBYNAME_R
#   undef HAS_GETHOSTENT_R
#   undef HAS_GETNETBYADDR_R
#   undef HAS_GETNETBYNAME_R
#   undef HAS_GETNETENT_R
#   undef HAS_GETPROTOBYNAME_R
#   undef HAS_GETPROTOBYNUMBER_R
#   undef HAS_GETPROTOENT_R
#   undef HAS_GETSERVBYNAME_R
#   undef HAS_GETSERVBYPORT_R
#   undef HAS_GETSERVENT_R
#   undef HAS_SETHOSTENT_R
#   undef HAS_SETNETENT_R
#   undef HAS_SETPROTOENT_R
#   undef HAS_SETSERVENT_R
#endif

#ifdef I_PWD
#   include &lt;pwd.h&gt;
#endif
#ifdef I_GRP
#   include &lt;grp.h&gt;
#endif
#ifdef I_NETDB
#   include &lt;netdb.h&gt;
#endif
#ifdef I_CRYPT
#   ifdef I_CRYPT
#       include &lt;crypt.h&gt;
#   endif
#endif
#ifdef HAS_GETSPNAM_R
#   ifdef I_SHADOW
#       include &lt;shadow.h&gt;
#   endif
#endif

#define REENTRANT_PROTO_B_B	1
#define REENTRANT_PROTO_B_BI	2
#define REENTRANT_PROTO_B_BW	3
#define REENTRANT_PROTO_B_CCD	4
#define REENTRANT_PROTO_B_CCS	5
#define REENTRANT_PROTO_B_IBI	6
#define REENTRANT_PROTO_B_IBW	7
#define REENTRANT_PROTO_B_SB	8
#define REENTRANT_PROTO_B_SBI	9
#define REENTRANT_PROTO_I_BI	10
#define REENTRANT_PROTO_I_BW	11
#define REENTRANT_PROTO_I_CCSBWR	12
#define REENTRANT_PROTO_I_CCSD	13
#define REENTRANT_PROTO_I_CII	14
#define REENTRANT_PROTO_I_CIISD	15
#define REENTRANT_PROTO_I_CSBI	16
#define REENTRANT_PROTO_I_CSBIR	17
#define REENTRANT_PROTO_I_CSBWR	18
#define REENTRANT_PROTO_I_CSBWRE	19
#define REENTRANT_PROTO_I_CSD	20
#define REENTRANT_PROTO_I_CWISBWRE	21
#define REENTRANT_PROTO_I_CWISD	22
#define REENTRANT_PROTO_I_D	23
#define REENTRANT_PROTO_I_H	24
#define REENTRANT_PROTO_I_IBI	25
#define REENTRANT_PROTO_I_IBW	26
#define REENTRANT_PROTO_I_ICBI	27
#define REENTRANT_PROTO_I_ICSBWR	28
#define REENTRANT_PROTO_I_ICSD	29
#define REENTRANT_PROTO_I_ID	30
#define REENTRANT_PROTO_I_IISD	31
#define REENTRANT_PROTO_I_ISBWR	32
#define REENTRANT_PROTO_I_ISD	33
#define REENTRANT_PROTO_I_LISBI	34
#define REENTRANT_PROTO_I_LISD	35
#define REENTRANT_PROTO_I_SB	36
#define REENTRANT_PROTO_I_SBI	37
#define REENTRANT_PROTO_I_SBIE	38
#define REENTRANT_PROTO_I_SBIH	39
#define REENTRANT_PROTO_I_SBIR	40
#define REENTRANT_PROTO_I_SBWR	41
#define REENTRANT_PROTO_I_SBWRE	42
#define REENTRANT_PROTO_I_SD	43
#define REENTRANT_PROTO_I_TISD	44
#define REENTRANT_PROTO_I_TS	45
#define REENTRANT_PROTO_I_TSBI	46
#define REENTRANT_PROTO_I_TSBIR	47
#define REENTRANT_PROTO_I_TSBWR	48
#define REENTRANT_PROTO_I_TSR	49
#define REENTRANT_PROTO_I_TsISBWRE	50
#define REENTRANT_PROTO_I_UISBWRE	51
#define REENTRANT_PROTO_I_uISBWRE	52
#define REENTRANT_PROTO_S_CBI	53
#define REENTRANT_PROTO_S_CCSBI	54
#define REENTRANT_PROTO_S_CIISBIE	55
#define REENTRANT_PROTO_S_CSBI	56
#define REENTRANT_PROTO_S_CSBIE	57
#define REENTRANT_PROTO_S_CWISBIE	58
#define REENTRANT_PROTO_S_CWISBWIE	59
#define REENTRANT_PROTO_S_ICSBI	60
#define REENTRANT_PROTO_S_ISBI	61
#define REENTRANT_PROTO_S_LISBI	62
#define REENTRANT_PROTO_S_SBI	63
#define REENTRANT_PROTO_S_SBIE	64
#define REENTRANT_PROTO_S_SBW	65
#define REENTRANT_PROTO_S_TISBI	66
#define REENTRANT_PROTO_S_TSBI	67
#define REENTRANT_PROTO_S_TSBIE	68
#define REENTRANT_PROTO_S_TWISBIE	69
#define REENTRANT_PROTO_V_D	70
#define REENTRANT_PROTO_V_H	71
#define REENTRANT_PROTO_V_ID	72

/* Defines for indicating which special features are supported. */

/* The getgrent getgrgid getgrnam using buffer? */

#if defined(HAS_GETGRENT_R) &amp;&amp; (GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBWR || GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBIR || GETGRENT_R_PROTO == REENTRANT_PROTO_S_SBW || GETGRENT_R_PROTO == REENTRANT_PROTO_S_SBI || GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBI || GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBIH)
#   define GETGRENT_R_HAS_BUFFER
#else
#   undef  GETGRENT_R_HAS_BUFFER
#endif
#if defined(HAS_GETGRGID_R) &amp;&amp; (GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBWR || GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBIR || GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBI || GETGRGID_R_PROTO == REENTRANT_PROTO_S_TSBI)
#   define GETGRGID_R_HAS_BUFFER
#else
#   undef  GETGRGID_R_HAS_BUFFER
#endif
#if defined(HAS_GETGRNAM_R) &amp;&amp; (GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR || GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBIR || GETGRNAM_R_PROTO == REENTRANT_PROTO_S_CBI || GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBI || GETGRNAM_R_PROTO == REENTRANT_PROTO_S_CSBI)
#   define GETGRNAM_R_HAS_BUFFER
#else
#   undef  GETGRNAM_R_HAS_BUFFER
#endif

/* Any of the getgrent getgrgid getgrnam using buffer? */

#if (defined(GETGRENT_R_HAS_BUFFER) || defined(GETGRGID_R_HAS_BUFFER) || defined(GETGRNAM_R_HAS_BUFFER))
#   define USE_GRENT_BUFFER
#else
#   undef  USE_GRENT_BUFFER
#endif

/* The getgrent getgrgid getgrnam using ptr? */

#if defined(HAS_GETGRENT_R) &amp;&amp; (GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBWR || GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBIR)
#   define GETGRENT_R_HAS_PTR
#else
#   undef  GETGRENT_R_HAS_PTR
#endif
#if defined(HAS_GETGRGID_R) &amp;&amp; (GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBWR || GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBIR)
#   define GETGRGID_R_HAS_PTR
#else
#   undef  GETGRGID_R_HAS_PTR
#endif
#if defined(HAS_GETGRNAM_R) &amp;&amp; (GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR || GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBIR)
#   define GETGRNAM_R_HAS_PTR
#else
#   undef  GETGRNAM_R_HAS_PTR
#endif

/* Any of the getgrent getgrgid getgrnam using ptr? */

#if (defined(GETGRENT_R_HAS_PTR) || defined(GETGRGID_R_HAS_PTR) || defined(GETGRNAM_R_HAS_PTR))
#   define USE_GRENT_PTR
#else
#   undef  USE_GRENT_PTR
#endif

/* The getpwent getpwnam getpwuid using ptr? */

#if defined(HAS_GETPWENT_R) &amp;&amp; (GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBWR || GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBIR)
#   define GETPWENT_R_HAS_PTR
#else
#   undef  GETPWENT_R_HAS_PTR
#endif
#if defined(HAS_GETPWNAM_R) &amp;&amp; (GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR || GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBIR)
#   define GETPWNAM_R_HAS_PTR
#else
#   undef  GETPWNAM_R_HAS_PTR
#endif
#if defined(HAS_GETPWUID_R) &amp;&amp; (GETPWUID_R_PROTO == REENTRANT_PROTO_I_TSBWR || GETPWUID_R_PROTO == REENTRANT_PROTO_I_TSBIR)
#   define GETPWUID_R_HAS_PTR
#else
#   undef  GETPWUID_R_HAS_PTR
#endif

/* Any of the getpwent getpwnam getpwuid using ptr? */

#if (defined(GETPWENT_R_HAS_PTR) || defined(GETPWNAM_R_HAS_PTR) || defined(GETPWUID_R_HAS_PTR))
#   define USE_PWENT_PTR
#else
#   undef  USE_PWENT_PTR
#endif

/* The getspent getspnam using ptr? */

#if defined(HAS_GETSPNAM_R) &amp;&amp; (GETSPNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR)
#   define GETSPNAM_R_HAS_PTR
#else
#   undef  GETSPNAM_R_HAS_PTR
#endif

/* Any of the getspent getspnam using ptr? */

#if (defined(GETSPENT_R_HAS_PTR) || defined(GETSPNAM_R_HAS_PTR))
#   define USE_SPENT_PTR
#else
#   undef  USE_SPENT_PTR
#endif

/* The getgrent getgrgid getgrnam setgrent endgrent using fptr? */

#if defined(HAS_GETGRENT_R) &amp;&amp; (GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBIH)
#   define GETGRENT_R_HAS_FPTR
#else
#   undef  GETGRENT_R_HAS_FPTR
#endif
#if defined(HAS_SETGRENT_R) &amp;&amp; (SETGRENT_R_PROTO == REENTRANT_PROTO_I_H || SETGRENT_R_PROTO == REENTRANT_PROTO_V_H)
#   define SETGRENT_R_HAS_FPTR
#else
#   undef  SETGRENT_R_HAS_FPTR
#endif
#if defined(HAS_ENDGRENT_R) &amp;&amp; (ENDGRENT_R_PROTO == REENTRANT_PROTO_I_H || ENDGRENT_R_PROTO == REENTRANT_PROTO_V_H)
#   define ENDGRENT_R_HAS_FPTR
#else
#   undef  ENDGRENT_R_HAS_FPTR
#endif

/* Any of the getgrent getgrgid getgrnam setgrent endgrent using fptr? */

#if (defined(GETGRENT_R_HAS_FPTR) || defined(GETGRGID_R_HAS_FPTR) || defined(GETGRNAM_R_HAS_FPTR) || defined(SETGRENT_R_HAS_FPTR) || defined(ENDGRENT_R_HAS_FPTR))
#   define USE_GRENT_FPTR
#else
#   undef  USE_GRENT_FPTR
#endif

/* The getpwent getpwnam getpwuid setpwent endpwent using fptr? */

#if defined(HAS_GETPWENT_R) &amp;&amp; (GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBIH)
#   define GETPWENT_R_HAS_FPTR
#else
#   undef  GETPWENT_R_HAS_FPTR
#endif
#if defined(HAS_SETPWENT_R) &amp;&amp; (SETPWENT_R_PROTO == REENTRANT_PROTO_I_H || SETPWENT_R_PROTO == REENTRANT_PROTO_V_H)
#   define SETPWENT_R_HAS_FPTR
#else
#   undef  SETPWENT_R_HAS_FPTR
#endif
#if defined(HAS_ENDPWENT_R) &amp;&amp; (ENDPWENT_R_PROTO == REENTRANT_PROTO_I_H || ENDPWENT_R_PROTO == REENTRANT_PROTO_V_H)
#   define ENDPWENT_R_HAS_FPTR
#else
#   undef  ENDPWENT_R_HAS_FPTR
#endif

/* Any of the getpwent getpwnam getpwuid setpwent endpwent using fptr? */

#if (defined(GETPWENT_R_HAS_FPTR) || defined(GETPWNAM_R_HAS_FPTR) || defined(GETPWUID_R_HAS_FPTR) || defined(SETPWENT_R_HAS_FPTR) || defined(ENDPWENT_R_HAS_FPTR))
#   define USE_PWENT_FPTR
#else
#   undef  USE_PWENT_FPTR
#endif

/* The getpwent getpwgid getpwnam using buffer? */

#if defined(HAS_GETPWENT_R) &amp;&amp; (GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBWR || GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBIR || GETPWENT_R_PROTO == REENTRANT_PROTO_S_SBW || GETPWENT_R_PROTO == REENTRANT_PROTO_S_SBI || GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBI || GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBIH)
#   define GETPWENT_R_HAS_BUFFER
#else
#   undef  GETPWENT_R_HAS_BUFFER
#endif
#if defined(HAS_GETPWNAM_R) &amp;&amp; (GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR || GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBIR || GETPWNAM_R_PROTO == REENTRANT_PROTO_S_CSBI || GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBI)
#   define GETPWNAM_R_HAS_BUFFER
#else
#   undef  GETPWNAM_R_HAS_BUFFER
#endif

/* Any of the getpwent getpwgid getpwnam using buffer? */

#if (defined(GETPWENT_R_HAS_BUFFER) || defined(GETPWGID_R_HAS_BUFFER) || defined(GETPWNAM_R_HAS_BUFFER))
#   define USE_PWENT_BUFFER
#else
#   undef  USE_PWENT_BUFFER
#endif

/* The gethostent gethostbyaddr gethostbyname using ptr? */

#if defined(HAS_GETHOSTENT_R) &amp;&amp; (GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBWRE)
#   define GETHOSTENT_R_HAS_PTR
#else
#   undef  GETHOSTENT_R_HAS_PTR
#endif
#if defined(HAS_GETHOSTBYADDR_R) &amp;&amp; (GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_TsISBWRE)
#   define GETHOSTBYADDR_R_HAS_PTR
#else
#   undef  GETHOSTBYADDR_R_HAS_PTR
#endif
#if defined(HAS_GETHOSTBYNAME_R) &amp;&amp; (GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE)
#   define GETHOSTBYNAME_R_HAS_PTR
#else
#   undef  GETHOSTBYNAME_R_HAS_PTR
#endif

/* Any of the gethostent gethostbyaddr gethostbyname using ptr? */

#if (defined(GETHOSTENT_R_HAS_PTR) || defined(GETHOSTBYADDR_R_HAS_PTR) || defined(GETHOSTBYNAME_R_HAS_PTR))
#   define USE_HOSTENT_PTR
#else
#   undef  USE_HOSTENT_PTR
#endif

/* The getnetent getnetbyaddr getnetbyname using ptr? */

#if defined(HAS_GETNETENT_R) &amp;&amp; (GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBWRE)
#   define GETNETENT_R_HAS_PTR
#else
#   undef  GETNETENT_R_HAS_PTR
#endif
#if defined(HAS_GETNETBYADDR_R) &amp;&amp; (GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_uISBWRE)
#   define GETNETBYADDR_R_HAS_PTR
#else
#   undef  GETNETBYADDR_R_HAS_PTR
#endif
#if defined(HAS_GETNETBYNAME_R) &amp;&amp; (GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE)
#   define GETNETBYNAME_R_HAS_PTR
#else
#   undef  GETNETBYNAME_R_HAS_PTR
#endif

/* Any of the getnetent getnetbyaddr getnetbyname using ptr? */

#if (defined(GETNETENT_R_HAS_PTR) || defined(GETNETBYADDR_R_HAS_PTR) || defined(GETNETBYNAME_R_HAS_PTR))
#   define USE_NETENT_PTR
#else
#   undef  USE_NETENT_PTR
#endif

/* The getprotoent getprotobyname getprotobynumber using ptr? */

#if defined(HAS_GETPROTOENT_R) &amp;&amp; (GETPROTOENT_R_PROTO == REENTRANT_PROTO_I_SBWR)
#   define GETPROTOENT_R_HAS_PTR
#else
#   undef  GETPROTOENT_R_HAS_PTR
#endif
#if defined(HAS_GETPROTOBYNAME_R) &amp;&amp; (GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWR)
#   define GETPROTOBYNAME_R_HAS_PTR
#else
#   undef  GETPROTOBYNAME_R_HAS_PTR
#endif
#if defined(HAS_GETPROTOBYNUMBER_R) &amp;&amp; (GETPROTOBYNUMBER_R_PROTO == REENTRANT_PROTO_I_ISBWR)
#   define GETPROTOBYNUMBER_R_HAS_PTR
#else
#   undef  GETPROTOBYNUMBER_R_HAS_PTR
#endif

/* Any of the getprotoent getprotobyname getprotobynumber using ptr? */

#if (defined(GETPROTOENT_R_HAS_PTR) || defined(GETPROTOBYNAME_R_HAS_PTR) || defined(GETPROTOBYNUMBER_R_HAS_PTR))
#   define USE_PROTOENT_PTR
#else
#   undef  USE_PROTOENT_PTR
#endif

/* The getservent getservbyname getservbyport using ptr? */

#if defined(HAS_GETSERVENT_R) &amp;&amp; (GETSERVENT_R_PROTO == REENTRANT_PROTO_I_SBWR)
#   define GETSERVENT_R_HAS_PTR
#else
#   undef  GETSERVENT_R_HAS_PTR
#endif
#if defined(HAS_GETSERVBYNAME_R) &amp;&amp; (GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSBWR)
#   define GETSERVBYNAME_R_HAS_PTR
#else
#   undef  GETSERVBYNAME_R_HAS_PTR
#endif
#if defined(HAS_GETSERVBYPORT_R) &amp;&amp; (GETSERVBYPORT_R_PROTO == REENTRANT_PROTO_I_ICSBWR)
#   define GETSERVBYPORT_R_HAS_PTR
#else
#   undef  GETSERVBYPORT_R_HAS_PTR
#endif

/* Any of the getservent getservbyname getservbyport using ptr? */

#if (defined(GETSERVENT_R_HAS_PTR) || defined(GETSERVBYNAME_R_HAS_PTR) || defined(GETSERVBYPORT_R_HAS_PTR))
#   define USE_SERVENT_PTR
#else
#   undef  USE_SERVENT_PTR
#endif

/* The gethostent gethostbyaddr gethostbyname using buffer? */

#if defined(HAS_GETHOSTENT_R) &amp;&amp; (GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBWRE || GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBIE || GETHOSTENT_R_PROTO == REENTRANT_PROTO_S_SBIE || GETHOSTENT_R_PROTO == REENTRANT_PROTO_S_SBI || GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBI)
#   define GETHOSTENT_R_HAS_BUFFER
#else
#   undef  GETHOSTENT_R_HAS_BUFFER
#endif
#if defined(HAS_GETHOSTBYADDR_R) &amp;&amp; (GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBWIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CIISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_TsISBWRE)
#   define GETHOSTBYADDR_R_HAS_BUFFER
#else
#   undef  GETHOSTBYADDR_R_HAS_BUFFER
#endif
#if defined(HAS_GETHOSTBYNAME_R) &amp;&amp; (GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE || GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBIE)
#   define GETHOSTBYNAME_R_HAS_BUFFER
#else
#   undef  GETHOSTBYNAME_R_HAS_BUFFER
#endif

/* Any of the gethostent gethostbyaddr gethostbyname using buffer? */

#if (defined(GETHOSTENT_R_HAS_BUFFER) || defined(GETHOSTBYADDR_R_HAS_BUFFER) || defined(GETHOSTBYNAME_R_HAS_BUFFER))
#   define USE_HOSTENT_BUFFER
#else
#   undef  USE_HOSTENT_BUFFER
#endif

/* The getnetent getnetbyaddr getnetbyname using buffer? */

#if defined(HAS_GETNETENT_R) &amp;&amp; (GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBWRE || GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBIE || GETNETENT_R_PROTO == REENTRANT_PROTO_S_SBIE || GETNETENT_R_PROTO == REENTRANT_PROTO_S_SBI || GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBI)
#   define GETNETENT_R_HAS_BUFFER
#else
#   undef  GETNETENT_R_HAS_BUFFER
#endif
#if defined(HAS_GETNETBYADDR_R) &amp;&amp; (GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_LISBI || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_TISBI || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_LISBI || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_uISBWRE)
#   define GETNETBYADDR_R_HAS_BUFFER
#else
#   undef  GETNETBYADDR_R_HAS_BUFFER
#endif
#if defined(HAS_GETNETBYNAME_R) &amp;&amp; (GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE || GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBI || GETNETBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBI)
#   define GETNETBYNAME_R_HAS_BUFFER
#else
#   undef  GETNETBYNAME_R_HAS_BUFFER
#endif

/* Any of the getnetent getnetbyaddr getnetbyname using buffer? */

#if (defined(GETNETENT_R_HAS_BUFFER) || defined(GETNETBYADDR_R_HAS_BUFFER) || defined(GETNETBYNAME_R_HAS_BUFFER))
#   define USE_NETENT_BUFFER
#else
#   undef  USE_NETENT_BUFFER
#endif

/* The getprotoent getprotobyname getprotobynumber using buffer? */

#if defined(HAS_GETPROTOENT_R) &amp;&amp; (GETPROTOENT_R_PROTO == REENTRANT_PROTO_I_SBWR || GETPROTOENT_R_PROTO == REENTRANT_PROTO_I_SBI || GETPROTOENT_R_PROTO == REENTRANT_PROTO_S_SBI)
#   define GETPROTOENT_R_HAS_BUFFER
#else
#   undef  GETPROTOENT_R_HAS_BUFFER
#endif
#if defined(HAS_GETPROTOBYNAME_R) &amp;&amp; (GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWR || GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBI)
#   define GETPROTOBYNAME_R_HAS_BUFFER
#else
#   undef  GETPROTOBYNAME_R_HAS_BUFFER
#endif
#if defined(HAS_GETPROTOBYNUMBER_R) &amp;&amp; (GETPROTOBYNUMBER_R_PROTO == REENTRANT_PROTO_I_ISBWR || GETPROTOBYNUMBER_R_PROTO == REENTRANT_PROTO_S_ISBI)
#   define GETPROTOBYNUMBER_R_HAS_BUFFER
#else
#   undef  GETPROTOBYNUMBER_R_HAS_BUFFER
#endif

/* Any of the getprotoent getprotobyname getprotobynumber using buffer? */

#if (defined(GETPROTOENT_R_HAS_BUFFER) || defined(GETPROTOBYNAME_R_HAS_BUFFER) || defined(GETPROTOBYNUMBER_R_HAS_BUFFER))
#   define USE_PROTOENT_BUFFER
#else
#   undef  USE_PROTOENT_BUFFER
#endif

/* The getservent getservbyname getservbyport using buffer? */

#if defined(HAS_GETSERVENT_R) &amp;&amp; (GETSERVENT_R_PROTO == REENTRANT_PROTO_I_SBWR || GETSERVENT_R_PROTO == REENTRANT_PROTO_I_SBI || GETSERVENT_R_PROTO == REENTRANT_PROTO_S_SBI)
#   define GETSERVENT_R_HAS_BUFFER
#else
#   undef  GETSERVENT_R_HAS_BUFFER
#endif
#if defined(HAS_GETSERVBYNAME_R) &amp;&amp; (GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSBWR || GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_S_CCSBI)
#   define GETSERVBYNAME_R_HAS_BUFFER
#else
#   undef  GETSERVBYNAME_R_HAS_BUFFER
#endif
#if defined(HAS_GETSERVBYPORT_R) &amp;&amp; (GETSERVBYPORT_R_PROTO == REENTRANT_PROTO_I_ICSBWR || GETSERVBYPORT_R_PROTO == REENTRANT_PROTO_S_ICSBI)
#   define GETSERVBYPORT_R_HAS_BUFFER
#else
#   undef  GETSERVBYPORT_R_HAS_BUFFER
#endif

/* Any of the getservent getservbyname getservbyport using buffer? */

#if (defined(GETSERVENT_R_HAS_BUFFER) || defined(GETSERVBYNAME_R_HAS_BUFFER) || defined(GETSERVBYPORT_R_HAS_BUFFER))
#   define USE_SERVENT_BUFFER
#else
#   undef  USE_SERVENT_BUFFER
#endif

/* The gethostent gethostbyaddr gethostbyname using errno? */

#if defined(HAS_GETHOSTENT_R) &amp;&amp; (GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBWRE || GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBIE || GETHOSTENT_R_PROTO == REENTRANT_PROTO_S_SBIE)
#   define GETHOSTENT_R_HAS_ERRNO
#else
#   undef  GETHOSTENT_R_HAS_ERRNO
#endif
#if defined(HAS_GETHOSTBYADDR_R) &amp;&amp; (GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBWIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CIISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_TsISBWRE)
#   define GETHOSTBYADDR_R_HAS_ERRNO
#else
#   undef  GETHOSTBYADDR_R_HAS_ERRNO
#endif
#if defined(HAS_GETHOSTBYNAME_R) &amp;&amp; (GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE || GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBIE)
#   define GETHOSTBYNAME_R_HAS_ERRNO
#else
#   undef  GETHOSTBYNAME_R_HAS_ERRNO
#endif

/* Any of the gethostent gethostbyaddr gethostbyname using errno? */

#if (defined(GETHOSTENT_R_HAS_ERRNO) || defined(GETHOSTBYADDR_R_HAS_ERRNO) || defined(GETHOSTBYNAME_R_HAS_ERRNO))
#   define USE_HOSTENT_ERRNO
#else
#   undef  USE_HOSTENT_ERRNO
#endif

/* The getnetent getnetbyaddr getnetbyname using errno? */

#if defined(HAS_GETNETENT_R) &amp;&amp; (GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBWRE || GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBIE || GETNETENT_R_PROTO == REENTRANT_PROTO_S_SBIE)
#   define GETNETENT_R_HAS_ERRNO
#else
#   undef  GETNETENT_R_HAS_ERRNO
#endif
#if defined(HAS_GETNETBYADDR_R) &amp;&amp; (GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_uISBWRE)
#   define GETNETBYADDR_R_HAS_ERRNO
#else
#   undef  GETNETBYADDR_R_HAS_ERRNO
#endif
#if defined(HAS_GETNETBYNAME_R) &amp;&amp; (GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE)
#   define GETNETBYNAME_R_HAS_ERRNO
#else
#   undef  GETNETBYNAME_R_HAS_ERRNO
#endif

/* Any of the getnetent getnetbyaddr getnetbyname using errno? */

#if (defined(GETNETENT_R_HAS_ERRNO) || defined(GETNETBYADDR_R_HAS_ERRNO) || defined(GETNETBYNAME_R_HAS_ERRNO))
#   define USE_NETENT_ERRNO
#else
#   undef  USE_NETENT_ERRNO
#endif


typedef struct {
#ifdef HAS_ASCTIME_R
	char*	_asctime_buffer;
	size_t	_asctime_size;
#endif /* HAS_ASCTIME_R */
#ifdef HAS_CRYPT_R
#if CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD
	CRYPTD* _crypt_data;
#else
	struct crypt_data *_crypt_struct_buffer;
#endif
#endif /* HAS_CRYPT_R */
#ifdef HAS_CTIME_R
	char*	_ctime_buffer;
	size_t	_ctime_size;
#endif /* HAS_CTIME_R */
#ifdef HAS_GETGRNAM_R
	struct group	_grent_struct;
	char*	_grent_buffer;
	size_t	_grent_size;
#   ifdef USE_GRENT_PTR
	struct group*	_grent_ptr;
#   endif
#   ifdef USE_GRENT_FPTR
	FILE*	_grent_fptr;
#   endif
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
	struct hostent	_hostent_struct;
#   if GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD
	struct hostent_data	_hostent_data;
#   else
	char*	_hostent_buffer;
	size_t	_hostent_size;
#   endif
#   ifdef USE_HOSTENT_PTR
	struct hostent*	_hostent_ptr;
#   endif
#   ifdef USE_HOSTENT_ERRNO
	int	_hostent_errno;
#   endif 
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
	char*	_getlogin_buffer;
	size_t	_getlogin_size;
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
	struct netent	_netent_struct;
#   if GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD
	struct netent_data	_netent_data;
#   else
	char*	_netent_buffer;
	size_t	_netent_size;
#   endif
#   ifdef USE_NETENT_PTR
	struct netent*	_netent_ptr;
#   endif
#   ifdef USE_NETENT_ERRNO
	int	_netent_errno;
#   endif 
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
	struct protoent	_protoent_struct;
#   if GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD
	struct protoent_data	_protoent_data;
#   else
	char*	_protoent_buffer;
	size_t	_protoent_size;
#   endif
#   ifdef USE_PROTOENT_PTR
	struct protoent*	_protoent_ptr;
#   endif
#   ifdef USE_PROTOENT_ERRNO
	int	_protoent_errno;
#   endif 
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
	struct passwd	_pwent_struct;
	char*	_pwent_buffer;
	size_t	_pwent_size;
#   ifdef USE_PWENT_PTR
	struct passwd*	_pwent_ptr;
#   endif
#   ifdef USE_PWENT_FPTR
	FILE*	_pwent_fptr;
#   endif
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
	struct servent	_servent_struct;
#   if GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD
	struct servent_data	_servent_data;
#   else
	char*	_servent_buffer;
	size_t	_servent_size;
#   endif
#   ifdef USE_SERVENT_PTR
	struct servent*	_servent_ptr;
#   endif
#   ifdef USE_SERVENT_ERRNO
	int	_servent_errno;
#   endif 
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
	struct spwd	_spent_struct;
	char*	_spent_buffer;
	size_t	_spent_size;
#   ifdef USE_SPENT_PTR
	struct spwd*	_spent_ptr;
#   endif
#   ifdef USE_SPENT_FPTR
	FILE*	_spent_fptr;
#   endif
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_READDIR_R
	struct dirent*	_readdir_struct;
	size_t	_readdir_size;
#   if READDIR_R_PROTO == REENTRANT_PROTO_I_TSR
	struct dirent*	_readdir_ptr;
#   endif
#endif /* HAS_READDIR_R */
#ifdef HAS_READDIR64_R
	struct dirent64*	_readdir64_struct;
	size_t	_readdir64_size;
#   if READDIR64_R_PROTO == REENTRANT_PROTO_I_TSR
	struct dirent64*	_readdir64_ptr;
#   endif
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
	char*	_setlocale_buffer;
	size_t	_setlocale_size;
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
	char*	_strerror_buffer;
	size_t	_strerror_size;
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
	char*	_ttyname_buffer;
	size_t	_ttyname_size;
#endif /* HAS_TTYNAME_R */

    int dummy; /* cannot have empty structs */
} REENTR;

/* The wrappers. */

#ifdef HAS_ASCTIME_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef asctime
#   if !defined(asctime) &amp;&amp; ASCTIME_R_PROTO == REENTRANT_PROTO_B_SB
#       define asctime(a) asctime_r(a, PL_reentrant_buffer-&gt;_asctime_buffer)
#   endif
#   if !defined(asctime) &amp;&amp; ASCTIME_R_PROTO == REENTRANT_PROTO_B_SBI
#       define asctime(a) asctime_r(a, PL_reentrant_buffer-&gt;_asctime_buffer, PL_reentrant_buffer-&gt;_asctime_size)
#   endif
#   if !defined(asctime) &amp;&amp; ASCTIME_R_PROTO == REENTRANT_PROTO_I_SB
#       define asctime(a) (asctime_r(a, PL_reentrant_buffer-&gt;_asctime_buffer) == 0 ? PL_reentrant_buffer-&gt;_asctime_buffer : 0)
#   endif
#   if !defined(asctime) &amp;&amp; ASCTIME_R_PROTO == REENTRANT_PROTO_I_SBI
#       define asctime(a) (asctime_r(a, PL_reentrant_buffer-&gt;_asctime_buffer, PL_reentrant_buffer-&gt;_asctime_size) == 0 ? PL_reentrant_buffer-&gt;_asctime_buffer : 0)
#   endif
#  endif
#endif /* HAS_ASCTIME_R */

#ifdef HAS_CRYPT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef crypt
#   if !defined(crypt) &amp;&amp; CRYPT_R_PROTO == REENTRANT_PROTO_B_CCS
#       define crypt(a, b) crypt_r(a, b, PL_reentrant_buffer-&gt;_crypt_struct_buffer)
#   endif
#   if !defined(crypt) &amp;&amp; CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD
#       define crypt(a, b) crypt_r(a, b, &amp;PL_reentrant_buffer-&gt;_crypt_data)
#   endif
#  endif
#endif /* HAS_CRYPT_R */

#ifdef HAS_CTERMID_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef ctermid
#   if !defined(ctermid) &amp;&amp; CTERMID_R_PROTO == REENTRANT_PROTO_B_B
#       define ctermid(a) ctermid_r(a)
#   endif
#  endif
#endif /* HAS_CTERMID_R */

#ifdef HAS_CTIME_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef ctime
#   if !defined(ctime) &amp;&amp; CTIME_R_PROTO == REENTRANT_PROTO_B_SB
#       define ctime(a) ctime_r(a, PL_reentrant_buffer-&gt;_ctime_buffer)
#   endif
#   if !defined(ctime) &amp;&amp; CTIME_R_PROTO == REENTRANT_PROTO_B_SBI
#       define ctime(a) ctime_r(a, PL_reentrant_buffer-&gt;_ctime_buffer, PL_reentrant_buffer-&gt;_ctime_size)
#   endif
#   if !defined(ctime) &amp;&amp; CTIME_R_PROTO == REENTRANT_PROTO_I_SB
#       define ctime(a) (ctime_r(a, PL_reentrant_buffer-&gt;_ctime_buffer) == 0 ? PL_reentrant_buffer-&gt;_ctime_buffer : 0)
#   endif
#   if !defined(ctime) &amp;&amp; CTIME_R_PROTO == REENTRANT_PROTO_I_SBI
#       define ctime(a) (ctime_r(a, PL_reentrant_buffer-&gt;_ctime_buffer, PL_reentrant_buffer-&gt;_ctime_size) == 0 ? PL_reentrant_buffer-&gt;_ctime_buffer : 0)
#   endif
#  endif
#endif /* HAS_CTIME_R */

#ifdef HAS_ENDGRENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef endgrent
#   if !defined(endgrent) &amp;&amp; ENDGRENT_R_PROTO == REENTRANT_PROTO_I_H
#       define endgrent() (endgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_fptr) == 0 ? 1 : 0)
#   endif
#   if !defined(endgrent) &amp;&amp; ENDGRENT_R_PROTO == REENTRANT_PROTO_V_H
#       define endgrent() endgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_fptr)
#   endif
#  endif
#endif /* HAS_ENDGRENT_R */

#ifdef HAS_ENDHOSTENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef endhostent
#   if !defined(endhostent) &amp;&amp; ENDHOSTENT_R_PROTO == REENTRANT_PROTO_I_D
#       define endhostent() (endhostent_r(&amp;PL_reentrant_buffer-&gt;_hostent_data) == 0 ? 1 : 0)
#   endif
#   if !defined(endhostent) &amp;&amp; ENDHOSTENT_R_PROTO == REENTRANT_PROTO_V_D
#       define endhostent() endhostent_r(&amp;PL_reentrant_buffer-&gt;_hostent_data)
#   endif
#  endif
#endif /* HAS_ENDHOSTENT_R */

#ifdef HAS_ENDNETENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef endnetent
#   if !defined(endnetent) &amp;&amp; ENDNETENT_R_PROTO == REENTRANT_PROTO_I_D
#       define endnetent() (endnetent_r(&amp;PL_reentrant_buffer-&gt;_netent_data) == 0 ? 1 : 0)
#   endif
#   if !defined(endnetent) &amp;&amp; ENDNETENT_R_PROTO == REENTRANT_PROTO_V_D
#       define endnetent() endnetent_r(&amp;PL_reentrant_buffer-&gt;_netent_data)
#   endif
#  endif
#endif /* HAS_ENDNETENT_R */

#ifdef HAS_ENDPROTOENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef endprotoent
#   if !defined(endprotoent) &amp;&amp; ENDPROTOENT_R_PROTO == REENTRANT_PROTO_I_D
#       define endprotoent() (endprotoent_r(&amp;PL_reentrant_buffer-&gt;_protoent_data) == 0 ? 1 : 0)
#   endif
#   if !defined(endprotoent) &amp;&amp; ENDPROTOENT_R_PROTO == REENTRANT_PROTO_V_D
#       define endprotoent() endprotoent_r(&amp;PL_reentrant_buffer-&gt;_protoent_data)
#   endif
#  endif
#endif /* HAS_ENDPROTOENT_R */

#ifdef HAS_ENDPWENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef endpwent
#   if !defined(endpwent) &amp;&amp; ENDPWENT_R_PROTO == REENTRANT_PROTO_I_H
#       define endpwent() (endpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_fptr) == 0 ? 1 : 0)
#   endif
#   if !defined(endpwent) &amp;&amp; ENDPWENT_R_PROTO == REENTRANT_PROTO_V_H
#       define endpwent() endpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_fptr)
#   endif
#  endif
#endif /* HAS_ENDPWENT_R */

#ifdef HAS_ENDSERVENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef endservent
#   if !defined(endservent) &amp;&amp; ENDSERVENT_R_PROTO == REENTRANT_PROTO_I_D
#       define endservent() (endservent_r(&amp;PL_reentrant_buffer-&gt;_servent_data) == 0 ? 1 : 0)
#   endif
#   if !defined(endservent) &amp;&amp; ENDSERVENT_R_PROTO == REENTRANT_PROTO_V_D
#       define endservent() endservent_r(&amp;PL_reentrant_buffer-&gt;_servent_data)
#   endif
#  endif
#endif /* HAS_ENDSERVENT_R */

#ifdef HAS_GETGRENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getgrent
#   if !defined(getgrent) &amp;&amp; GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBWR
#       define getgrent() ((PL_reentrant_retint = getgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size, &amp;PL_reentrant_buffer-&gt;_grent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrent&quot;) : 0))
#   endif
#   if !defined(getgrent) &amp;&amp; GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBIR
#       define getgrent() ((PL_reentrant_retint = getgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size, &amp;PL_reentrant_buffer-&gt;_grent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrent&quot;) : 0))
#   endif
#   if !defined(getgrent) &amp;&amp; GETGRENT_R_PROTO == REENTRANT_PROTO_S_SBW
#       define getgrent() (getgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size) ? &amp;PL_reentrant_buffer-&gt;_grent_struct : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrent&quot;) : 0))
#   endif
#   if !defined(getgrent) &amp;&amp; GETGRENT_R_PROTO == REENTRANT_PROTO_S_SBI
#       define getgrent() (getgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size) ? &amp;PL_reentrant_buffer-&gt;_grent_struct : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrent&quot;) : 0))
#   endif
#   if !defined(getgrent) &amp;&amp; GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBI
#       define getgrent() ((PL_reentrant_retint = getgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_grent_struct : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrent&quot;) : 0))
#   endif
#   if !defined(getgrent) &amp;&amp; GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBIH
#       define getgrent() ((PL_reentrant_retint = getgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size, &amp;PL_reentrant_buffer-&gt;_grent_fptr)) == 0 ? &amp;PL_reentrant_buffer-&gt;_grent_struct : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrent&quot;) : 0))
#   endif
#  endif
#endif /* HAS_GETGRENT_R */

#ifdef HAS_GETGRGID_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getgrgid
#   if !defined(getgrgid) &amp;&amp; GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBWR
#       define getgrgid(a) ((PL_reentrant_retint = getgrgid_r(a, &amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size, &amp;PL_reentrant_buffer-&gt;_grent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrgid&quot;, a) : 0))
#   endif
#   if !defined(getgrgid) &amp;&amp; GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBIR
#       define getgrgid(a) ((PL_reentrant_retint = getgrgid_r(a, &amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size, &amp;PL_reentrant_buffer-&gt;_grent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrgid&quot;, a) : 0))
#   endif
#   if !defined(getgrgid) &amp;&amp; GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBI
#       define getgrgid(a) ((PL_reentrant_retint = getgrgid_r(a, &amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_grent_struct : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrgid&quot;, a) : 0))
#   endif
#   if !defined(getgrgid) &amp;&amp; GETGRGID_R_PROTO == REENTRANT_PROTO_S_TSBI
#       define getgrgid(a) (getgrgid_r(a, &amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size) ? &amp;PL_reentrant_buffer-&gt;_grent_struct : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrgid&quot;, a) : 0))
#   endif
#  endif
#endif /* HAS_GETGRGID_R */

#ifdef HAS_GETGRNAM_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getgrnam
#   if !defined(getgrnam) &amp;&amp; GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR
#       define getgrnam(a) ((PL_reentrant_retint = getgrnam_r(a, &amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size, &amp;PL_reentrant_buffer-&gt;_grent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrnam&quot;, a) : 0))
#   endif
#   if !defined(getgrnam) &amp;&amp; GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBIR
#       define getgrnam(a) ((PL_reentrant_retint = getgrnam_r(a, &amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size, &amp;PL_reentrant_buffer-&gt;_grent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrnam&quot;, a) : 0))
#   endif
#   if !defined(getgrnam) &amp;&amp; GETGRNAM_R_PROTO == REENTRANT_PROTO_S_CBI
#       define getgrnam(a) (getgrnam_r(a, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size) ? PL_reentrant_buffer-&gt;_grent_buffer : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrnam&quot;, a) : 0))
#   endif
#   if !defined(getgrnam) &amp;&amp; GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBI
#       define getgrnam(a) ((PL_reentrant_retint = getgrnam_r(a, &amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_grent_struct : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrnam&quot;, a) : 0))
#   endif
#   if !defined(getgrnam) &amp;&amp; GETGRNAM_R_PROTO == REENTRANT_PROTO_S_CSBI
#       define getgrnam(a) (getgrnam_r(a, &amp;PL_reentrant_buffer-&gt;_grent_struct, PL_reentrant_buffer-&gt;_grent_buffer, PL_reentrant_buffer-&gt;_grent_size) ? &amp;PL_reentrant_buffer-&gt;_grent_struct : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry(&quot;getgrnam&quot;, a) : 0))
#   endif
#  endif
#endif /* HAS_GETGRNAM_R */

#ifdef HAS_GETHOSTBYADDR_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef gethostbyaddr
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE
#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c, &amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_ptr, &amp;PL_reentrant_buffer-&gt;_hostent_errno)) == 0 ? PL_reentrant_buffer-&gt;_hostent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBWIE
#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_errno) ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBIE
#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_errno) ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TWISBIE
#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_errno) ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CIISBIE
#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_errno) ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CSBIE
#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_errno) ? 1 : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TSBIE
#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_errno) ? 1 : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISD
#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c, &amp;PL_reentrant_buffer-&gt;_hostent_struct, &amp;PL_reentrant_buffer-&gt;_hostent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CIISD
#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c, &amp;PL_reentrant_buffer-&gt;_hostent_struct, &amp;PL_reentrant_buffer-&gt;_hostent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CII
#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c)) == 0 ? 1 : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#   if !defined(gethostbyaddr) &amp;&amp; GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_TsISBWRE
#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c, &amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_ptr, &amp;PL_reentrant_buffer-&gt;_hostent_errno)) == 0 ? PL_reentrant_buffer-&gt;_hostent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyaddr&quot;, a, b, c) : 0))
#   endif
#  endif
#endif /* HAS_GETHOSTBYADDR_R */

#ifdef HAS_GETHOSTBYNAME_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef gethostbyname
#   if !defined(gethostbyname) &amp;&amp; GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE
#       define gethostbyname(a) ((PL_reentrant_retint = gethostbyname_r(a, &amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_ptr, &amp;PL_reentrant_buffer-&gt;_hostent_errno)) == 0 ? PL_reentrant_buffer-&gt;_hostent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyname&quot;, a) : 0))
#   endif
#   if !defined(gethostbyname) &amp;&amp; GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBIE
#       define gethostbyname(a) (gethostbyname_r(a, &amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_errno) ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyname&quot;, a) : 0))
#   endif
#   if !defined(gethostbyname) &amp;&amp; GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD
#       define gethostbyname(a) ((PL_reentrant_retint = gethostbyname_r(a, &amp;PL_reentrant_buffer-&gt;_hostent_struct, &amp;PL_reentrant_buffer-&gt;_hostent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostbyname&quot;, a) : 0))
#   endif
#  endif
#endif /* HAS_GETHOSTBYNAME_R */

#ifdef HAS_GETHOSTENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef gethostent
#   if !defined(gethostent) &amp;&amp; GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBWRE
#       define gethostent() ((PL_reentrant_retint = gethostent_r(&amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_ptr, &amp;PL_reentrant_buffer-&gt;_hostent_errno)) == 0 ? PL_reentrant_buffer-&gt;_hostent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostent&quot;) : 0))
#   endif
#   if !defined(gethostent) &amp;&amp; GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBIE
#       define gethostent() ((PL_reentrant_retint = gethostent_r(&amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_errno)) == 0 ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostent&quot;) : 0))
#   endif
#   if !defined(gethostent) &amp;&amp; GETHOSTENT_R_PROTO == REENTRANT_PROTO_S_SBIE
#       define gethostent() (gethostent_r(&amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size, &amp;PL_reentrant_buffer-&gt;_hostent_errno) ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostent&quot;) : 0))
#   endif
#   if !defined(gethostent) &amp;&amp; GETHOSTENT_R_PROTO == REENTRANT_PROTO_S_SBI
#       define gethostent() (gethostent_r(&amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size) ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostent&quot;) : 0))
#   endif
#   if !defined(gethostent) &amp;&amp; GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBI
#       define gethostent() ((PL_reentrant_retint = gethostent_r(&amp;PL_reentrant_buffer-&gt;_hostent_struct, PL_reentrant_buffer-&gt;_hostent_buffer, PL_reentrant_buffer-&gt;_hostent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostent&quot;) : 0))
#   endif
#   if !defined(gethostent) &amp;&amp; GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SD
#       define gethostent() ((PL_reentrant_retint = gethostent_r(&amp;PL_reentrant_buffer-&gt;_hostent_struct, &amp;PL_reentrant_buffer-&gt;_hostent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry(&quot;gethostent&quot;) : 0))
#   endif
#  endif
#endif /* HAS_GETHOSTENT_R */

#ifdef HAS_GETLOGIN_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getlogin
#   if !defined(getlogin) &amp;&amp; GETLOGIN_R_PROTO == REENTRANT_PROTO_I_BW
#       define getlogin() ((PL_reentrant_retint = getlogin_r(PL_reentrant_buffer-&gt;_getlogin_buffer, PL_reentrant_buffer-&gt;_getlogin_size)) == 0 ? PL_reentrant_buffer-&gt;_getlogin_buffer : ((PL_reentrant_retint == ERANGE) ? (char *) Perl_reentrant_retry(&quot;getlogin&quot;) : 0))
#   endif
#   if !defined(getlogin) &amp;&amp; GETLOGIN_R_PROTO == REENTRANT_PROTO_I_BI
#       define getlogin() ((PL_reentrant_retint = getlogin_r(PL_reentrant_buffer-&gt;_getlogin_buffer, PL_reentrant_buffer-&gt;_getlogin_size)) == 0 ? PL_reentrant_buffer-&gt;_getlogin_buffer : ((PL_reentrant_retint == ERANGE) ? (char *) Perl_reentrant_retry(&quot;getlogin&quot;) : 0))
#   endif
#   if !defined(getlogin) &amp;&amp; GETLOGIN_R_PROTO == REENTRANT_PROTO_B_BW
#       define getlogin() getlogin_r(PL_reentrant_buffer-&gt;_getlogin_buffer, PL_reentrant_buffer-&gt;_getlogin_size)
#   endif
#   if !defined(getlogin) &amp;&amp; GETLOGIN_R_PROTO == REENTRANT_PROTO_B_BI
#       define getlogin() getlogin_r(PL_reentrant_buffer-&gt;_getlogin_buffer, PL_reentrant_buffer-&gt;_getlogin_size)
#   endif
#  endif
#endif /* HAS_GETLOGIN_R */

#ifdef HAS_GETNETBYADDR_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getnetbyaddr
#   if !defined(getnetbyaddr) &amp;&amp; GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE
#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size, &amp;PL_reentrant_buffer-&gt;_netent_ptr, &amp;PL_reentrant_buffer-&gt;_netent_errno)) == 0 ? PL_reentrant_buffer-&gt;_netent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyaddr&quot;, a, b) : 0))
#   endif
#   if !defined(getnetbyaddr) &amp;&amp; GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_LISBI
#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyaddr&quot;, a, b) : 0))
#   endif
#   if !defined(getnetbyaddr) &amp;&amp; GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_TISBI
#       define getnetbyaddr(a, b) (getnetbyaddr_r(a, b, &amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size) ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyaddr&quot;, a, b) : 0))
#   endif
#   if !defined(getnetbyaddr) &amp;&amp; GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_LISBI
#       define getnetbyaddr(a, b) (getnetbyaddr_r(a, b, &amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size) ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyaddr&quot;, a, b) : 0))
#   endif
#   if !defined(getnetbyaddr) &amp;&amp; GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_TISD
#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &amp;PL_reentrant_buffer-&gt;_netent_struct, &amp;PL_reentrant_buffer-&gt;_netent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyaddr&quot;, a, b) : 0))
#   endif
#   if !defined(getnetbyaddr) &amp;&amp; GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_LISD
#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &amp;PL_reentrant_buffer-&gt;_netent_struct, &amp;PL_reentrant_buffer-&gt;_netent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyaddr&quot;, a, b) : 0))
#   endif
#   if !defined(getnetbyaddr) &amp;&amp; GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_IISD
#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &amp;PL_reentrant_buffer-&gt;_netent_struct, &amp;PL_reentrant_buffer-&gt;_netent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyaddr&quot;, a, b) : 0))
#   endif
#   if !defined(getnetbyaddr) &amp;&amp; GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_uISBWRE
#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size, &amp;PL_reentrant_buffer-&gt;_netent_ptr, &amp;PL_reentrant_buffer-&gt;_netent_errno)) == 0 ? PL_reentrant_buffer-&gt;_netent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyaddr&quot;, a, b) : 0))
#   endif
#  endif
#endif /* HAS_GETNETBYADDR_R */

#ifdef HAS_GETNETBYNAME_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getnetbyname
#   if !defined(getnetbyname) &amp;&amp; GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE
#       define getnetbyname(a) ((PL_reentrant_retint = getnetbyname_r(a, &amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size, &amp;PL_reentrant_buffer-&gt;_netent_ptr, &amp;PL_reentrant_buffer-&gt;_netent_errno)) == 0 ? PL_reentrant_buffer-&gt;_netent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyname&quot;, a) : 0))
#   endif
#   if !defined(getnetbyname) &amp;&amp; GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBI
#       define getnetbyname(a) ((PL_reentrant_retint = getnetbyname_r(a, &amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyname&quot;, a) : 0))
#   endif
#   if !defined(getnetbyname) &amp;&amp; GETNETBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBI
#       define getnetbyname(a) (getnetbyname_r(a, &amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size) ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyname&quot;, a) : 0))
#   endif
#   if !defined(getnetbyname) &amp;&amp; GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD
#       define getnetbyname(a) ((PL_reentrant_retint = getnetbyname_r(a, &amp;PL_reentrant_buffer-&gt;_netent_struct, &amp;PL_reentrant_buffer-&gt;_netent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetbyname&quot;, a) : 0))
#   endif
#  endif
#endif /* HAS_GETNETBYNAME_R */

#ifdef HAS_GETNETENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getnetent
#   if !defined(getnetent) &amp;&amp; GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBWRE
#       define getnetent() ((PL_reentrant_retint = getnetent_r(&amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size, &amp;PL_reentrant_buffer-&gt;_netent_ptr, &amp;PL_reentrant_buffer-&gt;_netent_errno)) == 0 ? PL_reentrant_buffer-&gt;_netent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetent&quot;) : 0))
#   endif
#   if !defined(getnetent) &amp;&amp; GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBIE
#       define getnetent() ((PL_reentrant_retint = getnetent_r(&amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size, &amp;PL_reentrant_buffer-&gt;_netent_errno)) == 0 ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetent&quot;) : 0))
#   endif
#   if !defined(getnetent) &amp;&amp; GETNETENT_R_PROTO == REENTRANT_PROTO_S_SBIE
#       define getnetent() (getnetent_r(&amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size, &amp;PL_reentrant_buffer-&gt;_netent_errno) ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetent&quot;) : 0))
#   endif
#   if !defined(getnetent) &amp;&amp; GETNETENT_R_PROTO == REENTRANT_PROTO_S_SBI
#       define getnetent() (getnetent_r(&amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size) ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetent&quot;) : 0))
#   endif
#   if !defined(getnetent) &amp;&amp; GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBI
#       define getnetent() ((PL_reentrant_retint = getnetent_r(&amp;PL_reentrant_buffer-&gt;_netent_struct, PL_reentrant_buffer-&gt;_netent_buffer, PL_reentrant_buffer-&gt;_netent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetent&quot;) : 0))
#   endif
#   if !defined(getnetent) &amp;&amp; GETNETENT_R_PROTO == REENTRANT_PROTO_I_SD
#       define getnetent() ((PL_reentrant_retint = getnetent_r(&amp;PL_reentrant_buffer-&gt;_netent_struct, &amp;PL_reentrant_buffer-&gt;_netent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry(&quot;getnetent&quot;) : 0))
#   endif
#  endif
#endif /* HAS_GETNETENT_R */

#ifdef HAS_GETPROTOBYNAME_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getprotobyname
#   if !defined(getprotobyname) &amp;&amp; GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWR
#       define getprotobyname(a) ((PL_reentrant_retint = getprotobyname_r(a, &amp;PL_reentrant_buffer-&gt;_protoent_struct, PL_reentrant_buffer-&gt;_protoent_buffer, PL_reentrant_buffer-&gt;_protoent_size, &amp;PL_reentrant_buffer-&gt;_protoent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_protoent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotobyname&quot;, a) : 0))
#   endif
#   if !defined(getprotobyname) &amp;&amp; GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBI
#       define getprotobyname(a) (getprotobyname_r(a, &amp;PL_reentrant_buffer-&gt;_protoent_struct, PL_reentrant_buffer-&gt;_protoent_buffer, PL_reentrant_buffer-&gt;_protoent_size) ? &amp;PL_reentrant_buffer-&gt;_protoent_struct : ((errno == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotobyname&quot;, a) : 0))
#   endif
#   if !defined(getprotobyname) &amp;&amp; GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD
#       define getprotobyname(a) (REENTR_MEMZERO(&amp;PL_reentrant_buffer-&gt;_protoent_data, sizeof(PL_reentrant_buffer-&gt;_protoent_data)),(PL_reentrant_retint = getprotobyname_r(a, &amp;PL_reentrant_buffer-&gt;_protoent_struct, &amp;PL_reentrant_buffer-&gt;_protoent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotobyname&quot;, a) : 0))
#   endif
#  endif
#endif /* HAS_GETPROTOBYNAME_R */

#ifdef HAS_GETPROTOBYNUMBER_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getprotobynumber
#   if !defined(getprotobynumber) &amp;&amp; GETPROTOBYNUMBER_R_PROTO == REENTRANT_PROTO_I_ISBWR
#       define getprotobynumber(a) ((PL_reentrant_retint = getprotobynumber_r(a, &amp;PL_reentrant_buffer-&gt;_protoent_struct, PL_reentrant_buffer-&gt;_protoent_buffer, PL_reentrant_buffer-&gt;_protoent_size, &amp;PL_reentrant_buffer-&gt;_protoent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_protoent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotobynumber&quot;, a) : 0))
#   endif
#   if !defined(getprotobynumber) &amp;&amp; GETPROTOBYNUMBER_R_PROTO == REENTRANT_PROTO_S_ISBI
#       define getprotobynumber(a) (getprotobynumber_r(a, &amp;PL_reentrant_buffer-&gt;_protoent_struct, PL_reentrant_buffer-&gt;_protoent_buffer, PL_reentrant_buffer-&gt;_protoent_size) ? &amp;PL_reentrant_buffer-&gt;_protoent_struct : ((errno == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotobynumber&quot;, a) : 0))
#   endif
#   if !defined(getprotobynumber) &amp;&amp; GETPROTOBYNUMBER_R_PROTO == REENTRANT_PROTO_I_ISD
#       define getprotobynumber(a) (REENTR_MEMZERO(&amp;PL_reentrant_buffer-&gt;_protoent_data, sizeof(PL_reentrant_buffer-&gt;_protoent_data)),(PL_reentrant_retint = getprotobynumber_r(a, &amp;PL_reentrant_buffer-&gt;_protoent_struct, &amp;PL_reentrant_buffer-&gt;_protoent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotobynumber&quot;, a) : 0))
#   endif
#  endif
#endif /* HAS_GETPROTOBYNUMBER_R */

#ifdef HAS_GETPROTOENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getprotoent
#   if !defined(getprotoent) &amp;&amp; GETPROTOENT_R_PROTO == REENTRANT_PROTO_I_SBWR
#       define getprotoent() ((PL_reentrant_retint = getprotoent_r(&amp;PL_reentrant_buffer-&gt;_protoent_struct, PL_reentrant_buffer-&gt;_protoent_buffer, PL_reentrant_buffer-&gt;_protoent_size, &amp;PL_reentrant_buffer-&gt;_protoent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_protoent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotoent&quot;) : 0))
#   endif
#   if !defined(getprotoent) &amp;&amp; GETPROTOENT_R_PROTO == REENTRANT_PROTO_I_SBI
#       define getprotoent() ((PL_reentrant_retint = getprotoent_r(&amp;PL_reentrant_buffer-&gt;_protoent_struct, PL_reentrant_buffer-&gt;_protoent_buffer, PL_reentrant_buffer-&gt;_protoent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotoent&quot;) : 0))
#   endif
#   if !defined(getprotoent) &amp;&amp; GETPROTOENT_R_PROTO == REENTRANT_PROTO_S_SBI
#       define getprotoent() (getprotoent_r(&amp;PL_reentrant_buffer-&gt;_protoent_struct, PL_reentrant_buffer-&gt;_protoent_buffer, PL_reentrant_buffer-&gt;_protoent_size) ? &amp;PL_reentrant_buffer-&gt;_protoent_struct : ((errno == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotoent&quot;) : 0))
#   endif
#   if !defined(getprotoent) &amp;&amp; GETPROTOENT_R_PROTO == REENTRANT_PROTO_I_SD
#       define getprotoent() (REENTR_MEMZERO(&amp;PL_reentrant_buffer-&gt;_protoent_data, sizeof(PL_reentrant_buffer-&gt;_protoent_data)),(PL_reentrant_retint = getprotoent_r(&amp;PL_reentrant_buffer-&gt;_protoent_struct, &amp;PL_reentrant_buffer-&gt;_protoent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry(&quot;getprotoent&quot;) : 0))
#   endif
#  endif
#endif /* HAS_GETPROTOENT_R */

#ifdef HAS_GETPWENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getpwent
#   if !defined(getpwent) &amp;&amp; GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBWR
#       define getpwent() ((PL_reentrant_retint = getpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size, &amp;PL_reentrant_buffer-&gt;_pwent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwent&quot;) : 0))
#   endif
#   if !defined(getpwent) &amp;&amp; GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBIR
#       define getpwent() ((PL_reentrant_retint = getpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size, &amp;PL_reentrant_buffer-&gt;_pwent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwent&quot;) : 0))
#   endif
#   if !defined(getpwent) &amp;&amp; GETPWENT_R_PROTO == REENTRANT_PROTO_S_SBW
#       define getpwent() (getpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size) ? &amp;PL_reentrant_buffer-&gt;_pwent_struct : ((errno == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwent&quot;) : 0))
#   endif
#   if !defined(getpwent) &amp;&amp; GETPWENT_R_PROTO == REENTRANT_PROTO_S_SBI
#       define getpwent() (getpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size) ? &amp;PL_reentrant_buffer-&gt;_pwent_struct : ((errno == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwent&quot;) : 0))
#   endif
#   if !defined(getpwent) &amp;&amp; GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBI
#       define getpwent() ((PL_reentrant_retint = getpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_pwent_struct : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwent&quot;) : 0))
#   endif
#   if !defined(getpwent) &amp;&amp; GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBIH
#       define getpwent() ((PL_reentrant_retint = getpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size, &amp;PL_reentrant_buffer-&gt;_pwent_fptr)) == 0 ? &amp;PL_reentrant_buffer-&gt;_pwent_struct : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwent&quot;) : 0))
#   endif
#  endif
#endif /* HAS_GETPWENT_R */

#ifdef HAS_GETPWNAM_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getpwnam
#   if !defined(getpwnam) &amp;&amp; GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR
#       define getpwnam(a) ((PL_reentrant_retint = getpwnam_r(a, &amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size, &amp;PL_reentrant_buffer-&gt;_pwent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwnam&quot;, a) : 0))
#   endif
#   if !defined(getpwnam) &amp;&amp; GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBIR
#       define getpwnam(a) ((PL_reentrant_retint = getpwnam_r(a, &amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size, &amp;PL_reentrant_buffer-&gt;_pwent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwnam&quot;, a) : 0))
#   endif
#   if !defined(getpwnam) &amp;&amp; GETPWNAM_R_PROTO == REENTRANT_PROTO_S_CSBI
#       define getpwnam(a) (getpwnam_r(a, &amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size) ? &amp;PL_reentrant_buffer-&gt;_pwent_struct : ((errno == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwnam&quot;, a) : 0))
#   endif
#   if !defined(getpwnam) &amp;&amp; GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBI
#       define getpwnam(a) ((PL_reentrant_retint = getpwnam_r(a, &amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_pwent_struct : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwnam&quot;, a) : 0))
#   endif
#  endif
#endif /* HAS_GETPWNAM_R */

#ifdef HAS_GETPWUID_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getpwuid
#   if !defined(getpwuid) &amp;&amp; GETPWUID_R_PROTO == REENTRANT_PROTO_I_TSBWR
#       define getpwuid(a) ((PL_reentrant_retint = getpwuid_r(a, &amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size, &amp;PL_reentrant_buffer-&gt;_pwent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwuid&quot;, a) : 0))
#   endif
#   if !defined(getpwuid) &amp;&amp; GETPWUID_R_PROTO == REENTRANT_PROTO_I_TSBIR
#       define getpwuid(a) ((PL_reentrant_retint = getpwuid_r(a, &amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size, &amp;PL_reentrant_buffer-&gt;_pwent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwuid&quot;, a) : 0))
#   endif
#   if !defined(getpwuid) &amp;&amp; GETPWUID_R_PROTO == REENTRANT_PROTO_I_TSBI
#       define getpwuid(a) ((PL_reentrant_retint = getpwuid_r(a, &amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_pwent_struct : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwuid&quot;, a) : 0))
#   endif
#   if !defined(getpwuid) &amp;&amp; GETPWUID_R_PROTO == REENTRANT_PROTO_S_TSBI
#       define getpwuid(a) (getpwuid_r(a, &amp;PL_reentrant_buffer-&gt;_pwent_struct, PL_reentrant_buffer-&gt;_pwent_buffer, PL_reentrant_buffer-&gt;_pwent_size) ? &amp;PL_reentrant_buffer-&gt;_pwent_struct : ((errno == ERANGE) ? (struct passwd *) Perl_reentrant_retry(&quot;getpwuid&quot;, a) : 0))
#   endif
#  endif
#endif /* HAS_GETPWUID_R */

#ifdef HAS_GETSERVBYNAME_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getservbyname
#   if !defined(getservbyname) &amp;&amp; GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSBWR
#       define getservbyname(a, b) ((PL_reentrant_retint = getservbyname_r(a, b, &amp;PL_reentrant_buffer-&gt;_servent_struct, PL_reentrant_buffer-&gt;_servent_buffer, PL_reentrant_buffer-&gt;_servent_size, &amp;PL_reentrant_buffer-&gt;_servent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_servent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservbyname&quot;, a, b) : 0))
#   endif
#   if !defined(getservbyname) &amp;&amp; GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_S_CCSBI
#       define getservbyname(a, b) (getservbyname_r(a, b, &amp;PL_reentrant_buffer-&gt;_servent_struct, PL_reentrant_buffer-&gt;_servent_buffer, PL_reentrant_buffer-&gt;_servent_size) ? &amp;PL_reentrant_buffer-&gt;_servent_struct : ((errno == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservbyname&quot;, a, b) : 0))
#   endif
#   if !defined(getservbyname) &amp;&amp; GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD
#       define getservbyname(a, b) (REENTR_MEMZERO(&amp;PL_reentrant_buffer-&gt;_servent_data, sizeof(PL_reentrant_buffer-&gt;_servent_data)),(PL_reentrant_retint = getservbyname_r(a, b, &amp;PL_reentrant_buffer-&gt;_servent_struct, &amp;PL_reentrant_buffer-&gt;_servent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_servent_struct : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservbyname&quot;, a, b) : 0))
#   endif
#  endif
#endif /* HAS_GETSERVBYNAME_R */

#ifdef HAS_GETSERVBYPORT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getservbyport
#   if !defined(getservbyport) &amp;&amp; GETSERVBYPORT_R_PROTO == REENTRANT_PROTO_I_ICSBWR
#       define getservbyport(a, b) ((PL_reentrant_retint = getservbyport_r(a, b, &amp;PL_reentrant_buffer-&gt;_servent_struct, PL_reentrant_buffer-&gt;_servent_buffer, PL_reentrant_buffer-&gt;_servent_size, &amp;PL_reentrant_buffer-&gt;_servent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_servent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservbyport&quot;, a, b) : 0))
#   endif
#   if !defined(getservbyport) &amp;&amp; GETSERVBYPORT_R_PROTO == REENTRANT_PROTO_S_ICSBI
#       define getservbyport(a, b) (getservbyport_r(a, b, &amp;PL_reentrant_buffer-&gt;_servent_struct, PL_reentrant_buffer-&gt;_servent_buffer, PL_reentrant_buffer-&gt;_servent_size) ? &amp;PL_reentrant_buffer-&gt;_servent_struct : ((errno == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservbyport&quot;, a, b) : 0))
#   endif
#   if !defined(getservbyport) &amp;&amp; GETSERVBYPORT_R_PROTO == REENTRANT_PROTO_I_ICSD
#       define getservbyport(a, b) (REENTR_MEMZERO(&amp;PL_reentrant_buffer-&gt;_servent_data, sizeof(PL_reentrant_buffer-&gt;_servent_data)),(PL_reentrant_retint = getservbyport_r(a, b, &amp;PL_reentrant_buffer-&gt;_servent_struct, &amp;PL_reentrant_buffer-&gt;_servent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_servent_struct : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservbyport&quot;, a, b) : 0))
#   endif
#  endif
#endif /* HAS_GETSERVBYPORT_R */

#ifdef HAS_GETSERVENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getservent
#   if !defined(getservent) &amp;&amp; GETSERVENT_R_PROTO == REENTRANT_PROTO_I_SBWR
#       define getservent() ((PL_reentrant_retint = getservent_r(&amp;PL_reentrant_buffer-&gt;_servent_struct, PL_reentrant_buffer-&gt;_servent_buffer, PL_reentrant_buffer-&gt;_servent_size, &amp;PL_reentrant_buffer-&gt;_servent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_servent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservent&quot;) : 0))
#   endif
#   if !defined(getservent) &amp;&amp; GETSERVENT_R_PROTO == REENTRANT_PROTO_I_SBI
#       define getservent() ((PL_reentrant_retint = getservent_r(&amp;PL_reentrant_buffer-&gt;_servent_struct, PL_reentrant_buffer-&gt;_servent_buffer, PL_reentrant_buffer-&gt;_servent_size)) == 0 ? &amp;PL_reentrant_buffer-&gt;_servent_struct : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservent&quot;) : 0))
#   endif
#   if !defined(getservent) &amp;&amp; GETSERVENT_R_PROTO == REENTRANT_PROTO_S_SBI
#       define getservent() (getservent_r(&amp;PL_reentrant_buffer-&gt;_servent_struct, PL_reentrant_buffer-&gt;_servent_buffer, PL_reentrant_buffer-&gt;_servent_size) ? &amp;PL_reentrant_buffer-&gt;_servent_struct : ((errno == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservent&quot;) : 0))
#   endif
#   if !defined(getservent) &amp;&amp; GETSERVENT_R_PROTO == REENTRANT_PROTO_I_SD
#       define getservent() (REENTR_MEMZERO(&amp;PL_reentrant_buffer-&gt;_servent_data, sizeof(PL_reentrant_buffer-&gt;_servent_data)),(PL_reentrant_retint = getservent_r(&amp;PL_reentrant_buffer-&gt;_servent_struct, &amp;PL_reentrant_buffer-&gt;_servent_data)) == 0 ? &amp;PL_reentrant_buffer-&gt;_servent_struct : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry(&quot;getservent&quot;) : 0))
#   endif
#  endif
#endif /* HAS_GETSERVENT_R */

#ifdef HAS_GETSPNAM_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef getspnam
#   if !defined(getspnam) &amp;&amp; GETSPNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR
#       define getspnam(a) ((PL_reentrant_retint = getspnam_r(a, &amp;PL_reentrant_buffer-&gt;_spent_struct, PL_reentrant_buffer-&gt;_spent_buffer, PL_reentrant_buffer-&gt;_spent_size, &amp;PL_reentrant_buffer-&gt;_spent_ptr)) == 0 ? PL_reentrant_buffer-&gt;_spent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct spwd *) Perl_reentrant_retry(&quot;getspnam&quot;, a) : 0))
#   endif
#   if !defined(getspnam) &amp;&amp; GETSPNAM_R_PROTO == REENTRANT_PROTO_S_CSBI
#       define getspnam(a) (getspnam_r(a, &amp;PL_reentrant_buffer-&gt;_spent_struct, PL_reentrant_buffer-&gt;_spent_buffer, PL_reentrant_buffer-&gt;_spent_size) ? &amp;PL_reentrant_buffer-&gt;_spent_struct : ((errno == ERANGE) ? (struct spwd *) Perl_reentrant_retry(&quot;getspnam&quot;, a) : 0))
#   endif
#  endif
#endif /* HAS_GETSPNAM_R */

#ifdef HAS_READDIR_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef readdir
#   if !defined(readdir) &amp;&amp; READDIR_R_PROTO == REENTRANT_PROTO_I_TSR
#       define readdir(a) (readdir_r(a, PL_reentrant_buffer-&gt;_readdir_struct, &amp;PL_reentrant_buffer-&gt;_readdir_ptr) == 0 ? PL_reentrant_buffer-&gt;_readdir_ptr : 0)
#   endif
#   if !defined(readdir) &amp;&amp; READDIR_R_PROTO == REENTRANT_PROTO_I_TS
#       define readdir(a) (readdir_r(a, PL_reentrant_buffer-&gt;_readdir_struct) == 0 ? PL_reentrant_buffer-&gt;_readdir_struct : 0)
#   endif
#  endif
#endif /* HAS_READDIR_R */

#ifdef HAS_READDIR64_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef readdir64
#   if !defined(readdir64) &amp;&amp; READDIR64_R_PROTO == REENTRANT_PROTO_I_TSR
#       define readdir64(a) (readdir64_r(a, PL_reentrant_buffer-&gt;_readdir64_struct, &amp;PL_reentrant_buffer-&gt;_readdir64_ptr) == 0 ? PL_reentrant_buffer-&gt;_readdir64_ptr : 0)
#   endif
#   if !defined(readdir64) &amp;&amp; READDIR64_R_PROTO == REENTRANT_PROTO_I_TS
#       define readdir64(a) (readdir64_r(a, PL_reentrant_buffer-&gt;_readdir64_struct) == 0 ? PL_reentrant_buffer-&gt;_readdir64_struct : 0)
#   endif
#  endif
#endif /* HAS_READDIR64_R */

#ifdef HAS_SETGRENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef setgrent
#   if !defined(setgrent) &amp;&amp; SETGRENT_R_PROTO == REENTRANT_PROTO_I_H
#       define setgrent() (setgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_fptr) == 0 ? 1 : 0)
#   endif
#   if !defined(setgrent) &amp;&amp; SETGRENT_R_PROTO == REENTRANT_PROTO_V_H
#       define setgrent() setgrent_r(&amp;PL_reentrant_buffer-&gt;_grent_fptr)
#   endif
#  endif
#endif /* HAS_SETGRENT_R */

#ifdef HAS_SETHOSTENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef sethostent
#   if !defined(sethostent) &amp;&amp; SETHOSTENT_R_PROTO == REENTRANT_PROTO_I_ID
#       define sethostent(a) (sethostent_r(a, &amp;PL_reentrant_buffer-&gt;_hostent_data) == 0 ? 1 : 0)
#   endif
#   if !defined(sethostent) &amp;&amp; SETHOSTENT_R_PROTO == REENTRANT_PROTO_V_ID
#       define sethostent(a) sethostent_r(a, &amp;PL_reentrant_buffer-&gt;_hostent_data)
#   endif
#  endif
#endif /* HAS_SETHOSTENT_R */

#ifdef HAS_SETLOCALE_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef setlocale
#   if !defined(setlocale) &amp;&amp; SETLOCALE_R_PROTO == REENTRANT_PROTO_I_ICBI
#       define setlocale(a, b) (setlocale_r(a, b, PL_reentrant_buffer-&gt;_setlocale_buffer, PL_reentrant_buffer-&gt;_setlocale_size) == 0 ? PL_reentrant_buffer-&gt;_setlocale_buffer : 0)
#   endif
#  endif
#endif /* HAS_SETLOCALE_R */

#ifdef HAS_SETNETENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef setnetent
#   if !defined(setnetent) &amp;&amp; SETNETENT_R_PROTO == REENTRANT_PROTO_I_ID
#       define setnetent(a) (setnetent_r(a, &amp;PL_reentrant_buffer-&gt;_netent_data) == 0 ? 1 : 0)
#   endif
#   if !defined(setnetent) &amp;&amp; SETNETENT_R_PROTO == REENTRANT_PROTO_V_ID
#       define setnetent(a) setnetent_r(a, &amp;PL_reentrant_buffer-&gt;_netent_data)
#   endif
#  endif
#endif /* HAS_SETNETENT_R */

#ifdef HAS_SETPROTOENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef setprotoent
#   if !defined(setprotoent) &amp;&amp; SETPROTOENT_R_PROTO == REENTRANT_PROTO_I_ID
#       define setprotoent(a) (setprotoent_r(a, &amp;PL_reentrant_buffer-&gt;_protoent_data) == 0 ? 1 : 0)
#   endif
#   if !defined(setprotoent) &amp;&amp; SETPROTOENT_R_PROTO == REENTRANT_PROTO_V_ID
#       define setprotoent(a) setprotoent_r(a, &amp;PL_reentrant_buffer-&gt;_protoent_data)
#   endif
#  endif
#endif /* HAS_SETPROTOENT_R */

#ifdef HAS_SETPWENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef setpwent
#   if !defined(setpwent) &amp;&amp; SETPWENT_R_PROTO == REENTRANT_PROTO_I_H
#       define setpwent() (setpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_fptr) == 0 ? 1 : 0)
#   endif
#   if !defined(setpwent) &amp;&amp; SETPWENT_R_PROTO == REENTRANT_PROTO_V_H
#       define setpwent() setpwent_r(&amp;PL_reentrant_buffer-&gt;_pwent_fptr)
#   endif
#  endif
#endif /* HAS_SETPWENT_R */

#ifdef HAS_SETSERVENT_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef setservent
#   if !defined(setservent) &amp;&amp; SETSERVENT_R_PROTO == REENTRANT_PROTO_I_ID
#       define setservent(a) (setservent_r(a, &amp;PL_reentrant_buffer-&gt;_servent_data) == 0 ? 1 : 0)
#   endif
#   if !defined(setservent) &amp;&amp; SETSERVENT_R_PROTO == REENTRANT_PROTO_V_ID
#       define setservent(a) setservent_r(a, &amp;PL_reentrant_buffer-&gt;_servent_data)
#   endif
#  endif
#endif /* HAS_SETSERVENT_R */

#ifdef HAS_STRERROR_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef strerror
#   if !defined(strerror) &amp;&amp; STRERROR_R_PROTO == REENTRANT_PROTO_I_IBW
#       define strerror(a) (strerror_r(a, PL_reentrant_buffer-&gt;_strerror_buffer, PL_reentrant_buffer-&gt;_strerror_size) == 0 ? PL_reentrant_buffer-&gt;_strerror_buffer : 0)
#   endif
#   if !defined(strerror) &amp;&amp; STRERROR_R_PROTO == REENTRANT_PROTO_I_IBI
#       define strerror(a) (strerror_r(a, PL_reentrant_buffer-&gt;_strerror_buffer, PL_reentrant_buffer-&gt;_strerror_size) == 0 ? PL_reentrant_buffer-&gt;_strerror_buffer : 0)
#   endif
#   if !defined(strerror) &amp;&amp; STRERROR_R_PROTO == REENTRANT_PROTO_B_IBW
#       define strerror(a) strerror_r(a, PL_reentrant_buffer-&gt;_strerror_buffer, PL_reentrant_buffer-&gt;_strerror_size)
#   endif
#  endif
#endif /* HAS_STRERROR_R */

#ifdef HAS_TMPNAM_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef tmpnam
#   if !defined(tmpnam) &amp;&amp; TMPNAM_R_PROTO == REENTRANT_PROTO_B_B
#       define tmpnam(a) tmpnam_r(a)
#   endif
#  endif
#endif /* HAS_TMPNAM_R */

#ifdef HAS_TTYNAME_R
#  if defined(PERL_REENTR_API) &amp;&amp; (PERL_REENTR_API+0 == 1)
#   undef ttyname
#   if !defined(ttyname) &amp;&amp; TTYNAME_R_PROTO == REENTRANT_PROTO_I_IBW
#       define ttyname(a) (ttyname_r(a, PL_reentrant_buffer-&gt;_ttyname_buffer, PL_reentrant_buffer-&gt;_ttyname_size) == 0 ? PL_reentrant_buffer-&gt;_ttyname_buffer : 0)
#   endif
#   if !defined(ttyname) &amp;&amp; TTYNAME_R_PROTO == REENTRANT_PROTO_I_IBI
#       define ttyname(a) (ttyname_r(a, PL_reentrant_buffer-&gt;_ttyname_buffer, PL_reentrant_buffer-&gt;_ttyname_size) == 0 ? PL_reentrant_buffer-&gt;_ttyname_buffer : 0)
#   endif
#   if !defined(ttyname) &amp;&amp; TTYNAME_R_PROTO == REENTRANT_PROTO_B_IBI
#       define ttyname(a) ttyname_r(a, PL_reentrant_buffer-&gt;_ttyname_buffer, PL_reentrant_buffer-&gt;_ttyname_size)
#   endif
#  endif
#endif /* HAS_TTYNAME_R */


#endif /* USE_REENTRANT_API */
 
#endif

/* ex: set ro: */
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