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.IX Title &quot;ASN1_ITEM_LOOKUP 3&quot;
.TH ASN1_ITEM_LOOKUP 3 &quot;2023-09-11&quot; &quot;1.1.1w&quot; &quot;OpenSSL&quot;
.\&quot; For nroff, turn off justification.  Always turn off hyphenation; it makes
.\&quot; way too many mistakes in technical documents.
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.SH &quot;NAME&quot;
ASN1_ITEM_lookup, ASN1_ITEM_get \- lookup ASN.1 structures
.SH &quot;SYNOPSIS&quot;
.IX Header &quot;SYNOPSIS&quot;
.Vb 1
\&amp; #include &lt;openssl/asn1.h&gt;
\&amp;
\&amp; const ASN1_ITEM *ASN1_ITEM_lookup(const char *name);
\&amp; const ASN1_ITEM *ASN1_ITEM_get(size_t i);
.Ve
.SH &quot;DESCRIPTION&quot;
.IX Header &quot;DESCRIPTION&quot;
\&amp;\fBASN1_ITEM_lookup()\fR returns the \fB\s-1ASN1_ITEM\s0 name\fR.
.PP
\&amp;\fBASN1_ITEM_get()\fR returns the \fB\s-1ASN1_ITEM\s0\fR with index \fBi\fR. This function
returns \fB\s-1NULL\s0\fR if the index \fBi\fR is out of range.
.SH &quot;RETURN VALUES&quot;
.IX Header &quot;RETURN VALUES&quot;
\&amp;\fBASN1_ITEM_lookup()\fR and \fBASN1_ITEM_get()\fR return a valid \fB\s-1ASN1_ITEM\s0\fR structure
or \fB\s-1NULL\s0\fR if an error occurred.
.SH &quot;SEE ALSO&quot;
.IX Header &quot;SEE ALSO&quot;
\&amp;\fBERR_get_error\fR\|(3)
.SH &quot;COPYRIGHT&quot;
.IX Header &quot;COPYRIGHT&quot;
Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the OpenSSL license (the \*(L&quot;License\*(R&quot;).  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file \s-1LICENSE\s0 in the source distribution or at
&lt;https://www.openssl.org/source/license.html&gt;.
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