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

 void pcre2_serialize_free(uint8_t *bytes); 

. .rs This function frees the memory that was obtained by pcre2_serialize_encode() to hold a serialized byte stream. The argument must point to such a byte stream or be NULL, in which case the function returns without doing anything.

There is a complete description of the PCRE2 native API in the HREF
pcre2api
page and a description of the serialization functions in the HREF
pcre2serialize
page.