PCRE2 - Perl-compatible regular expressions (revised API) .rs #include <pcre2.h>

 void pcre2_general_context_free(pcre2_general_context *gcontext); 

. .rs This function frees the memory occupied by a general context, using the memory freeing function within the context, if set. If the argument is NULL, the function returns immediately without doing anything.

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