st_strend_key     344 ext/mbstring/oniguruma/regparse.c     st_strend_key key;
st_strend_key     355 ext/mbstring/oniguruma/regparse.c   st_strend_key* key;
st_strend_key     358 ext/mbstring/oniguruma/regparse.c   key = (st_strend_key* )xmalloc(sizeof(st_strend_key));