ERR_GET_LIB(3)

     ERR_GET_LIB(3)         0.9.6h (2000-01-31)         ERR_GET_LIB(3)

     NAME
          ERR_GET_LIB, ERR_GET_FUNC, ERR_GET_REASON - get library,
          function and reason code

     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);

     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.

          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() and ERR_GET_REASON() are
          macros.

     RETURN VALUES
          The library number, function code and reason code
          respectively.

     SEE ALSO
          err(3), ERR_get_error(3)

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

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