NULL_UCHARP       562 ext/mbstring/oniguruma/regexec.c #define STACK_PUSH_POS(s,sprev)         STACK_PUSH(STK_POS,NULL_UCHARP,s,sprev)
NULL_UCHARP      1095 ext/mbstring/oniguruma/regexec.c   UChar *ss, *p, *pstart, *pend = NULL_UCHARP;
NULL_UCHARP      1113 ext/mbstring/oniguruma/regexec.c 	  if (pend != NULL_UCHARP) {
NULL_UCHARP      2861 ext/mbstring/oniguruma/regparse.c   return NULL_UCHARP;
NULL_UCHARP      3459 ext/mbstring/oniguruma/regparse.c 	  name_end = NULL_UCHARP; /* no need. escape gcc warning. */