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.\" ========================================================================
.\"
.IX Title "OSSL_TRACE_GET_CATEGORY_NUM 3SSL"
.TH OSSL_TRACE_GET_CATEGORY_NUM 3SSL 2024-04-11 3.3.0 OpenSSL
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH NAME
OSSL_trace_get_category_num, OSSL_trace_get_category_name
\&\- OpenSSL tracing information functions
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/trace.h>
\&
\& int OSSL_trace_get_category_num(const char *name);
\& const char *OSSL_trace_get_category_name(int num);
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\fBOSSL_trace_get_category_num()\fR gives the category number corresponding
to the given \f(CW\*(C`name\*(C'\fR.
.PP
\&\fBOSSL_trace_get_category_name()\fR gives the category name corresponding
to the given \f(CW\*(C`num\*(C'\fR.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBOSSL_trace_get_category_num()\fR returns the category number if the given
\&\f(CW\*(C`name\*(C'\fR is a recognised category name, otherwise \-1.
.PP
\&\fBOSSL_trace_get_category_name()\fR returns the category name if the given
\&\f(CW\*(C`num\*(C'\fR is a recognised category number, otherwise NULL.
.SH HISTORY
.IX Header "HISTORY"
The OpenSSL Tracing API was added ino OpenSSL 3.0.
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the Apache License 2.0 (the "License").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file LICENSE in the source distribution or at
<https://www.openssl.org/source/license.html>.