Provided by: libpcre2-dev_10.21-1_amd64 

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, excluding the trailing zero, or a negative error code if
the buffer is too small.
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 10.00 21 October 2014 PCRE2_GET_ERROR_MESSAGE(3)