PCRE - Perl-compatible regular expressions
#include <pcre.h> void pcre_free_substring_list(const char **stringptr);
This is a convenience function for freeing the store obtained by a previous call to pcre_get_substring_list(). Its only argument is a pointer to the list of string pointers. There is a complete description of the PCRE native API in the pcreapi page and a description of the POSIX API in the pcreposix page.