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PCRE2_GET_ERROR_MESSAGE(3) Library Functions Manual PCRE2_GET_ERROR_MESSAGE(3)

NAME
       PCRE2 - Perl-compatible regular expressions (revised API)

SYNOPSIS

       #include	<pcre2.h>

       int pcre2_get_error_message(int errorcode, PCRE2_UCHAR *buffer,
	 PCRE2_SIZE bufflen);

DESCRIPTION

       This  function  provides	 a  textual error message for each PCRE2 error
       code.  Compilation errors are positive numbers; UTF  formatting	errors
       and matching errors are negative	numbers. The arguments are:

	 errorcode   an	error code (positive or	negative)
	 buffer	     where to put the message
	 bufflen     the length	of the buffer (code units)

       The function returns the	length of the message in code units, excluding
       the  trailing  zero, or the negative error code PCRE2_ERROR_NOMEMORY if
       the buffer is too small.	In this	case, the returned  message  is	 trun-
       cated (but still	with a trailing	zero). If errorcode does not contain a
       recognized error	code number, the negative value	PCRE2_ERROR_BADDATA is
       returned.

       There is	a complete description of the PCRE2 native API in the pcre2api
       page and	a description of the POSIX API in the pcre2posix page.

PCRE2 10.45			 24 March 2017	    PCRE2_GET_ERROR_MESSAGE(3)

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