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

 pcre2_match_context *pcre2_match_context_create(  " pcre2_general_context *gcontext);" 

. .rs This function creates and initializes a new match context. If its argument is NULL, malloc() is used to get the necessary memory; otherwise the memory allocation function within the general context is used. The result is NULL if the memory could not be obtained.

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.