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ERR_GET_LIB(3)                      OpenSSL                     ERR_GET_LIB(3)



NAME
       ERR_GET_LIB, ERR_GET_FUNC, ERR_GET_REASON, ERR_FATAL_ERROR - get
       information from error codes

LIBRARY
       libcrypto, -lcrypto

SYNOPSIS
        #include <openssl/err.h>

        int ERR_GET_LIB(unsigned long e);

        int ERR_GET_FUNC(unsigned long e);

        int ERR_GET_REASON(unsigned long e);

        int ERR_FATAL_ERROR(unsigned long e);

DESCRIPTION
       The error code returned by ERR_get_error() consists of a library
       number, function code and reason code. ERR_GET_LIB(), ERR_GET_FUNC()
       and ERR_GET_REASON() can be used to extract these.

       ERR_FATAL_ERROR() indicates whether a given error code is a fatal
       error.

       The library number and function code describe where the error occurred,
       the reason code is the information about what went wrong.

       Each sub-library of OpenSSL has a unique library number; function and
       reason codes are unique within each sub-library.  Note that different
       libraries may use the same value to signal different functions and
       reasons.

       ERR_R_... reason codes such as ERR_R_MALLOC_FAILURE are globally
       unique. However, when checking for sub-library specific reason codes,
       be sure to also compare the library number.

       ERR_GET_LIB(), ERR_GET_FUNC(), ERR_GET_REASON(), and ERR_FATAL_ERROR()
        are macros.

RETURN VALUES
       The library number, function code, reason code, and whether the error
       is fatal, respectively.

SEE ALSO
       ERR_get_error(3)

HISTORY
       ERR_GET_LIB(), ERR_GET_FUNC() and ERR_GET_REASON() are available in all
       versions of OpenSSL.

COPYRIGHT
       Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the OpenSSL license (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>.



1.1.1                             2018-09-17                    ERR_GET_LIB(3)