php_strspn        141 ext/standard/php_string.h PHPAPI size_t php_strspn(char *s1, char *s2, char *s1_end, char *s2_end); 
php_strspn        341 ext/standard/string.c 		RETURN_LONG(php_strspn(ZSTR_VAL(s11) + start /*str1_start*/,