s2_end            141 ext/standard/php_string.h PHPAPI size_t php_strspn(char *s1, char *s2, char *s1_end, char *s2_end); 
s2_end            142 ext/standard/php_string.h PHPAPI size_t php_strcspn(char *s1, char *s2, char *s1_end, char *s2_end); 
s2_end           1784 ext/standard/string.c PHPAPI size_t php_strspn(char *s1, char *s2, char *s1_end, char *s2_end)
s2_end           1790 ext/standard/string.c 	for (spanp = s2; p != s1_end && spanp != s2_end;) {
s2_end           1802 ext/standard/string.c PHPAPI size_t php_strcspn(char *s1, char *s2, char *s1_end, char *s2_end)
s2_end           1813 ext/standard/string.c 		} while (spanp++ < (s2_end - 1));