#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
SV* /* AV if want_pos or want_all, PV otherwise */
lcss(
int wide, /* s and t are in the UTF8=1 format */
const char* s, /* Format determined by utf8 parameter */
STRLEN s_len, /* Byte length of s */
const char* t, /* Format determined by utf8 parameter */
STRLEN t_len, /* Byte length of t */
int min, /* Ignore substrings shorter than this */
int want_pos, /* Return positions as well as strings */
int want_all /* Return all matches, or just one */
);