RETURN_IF        1529 dln.c              RETURN_IF(!fname);
RETURN_IF        1563 dln.c          	RETURN_IF(is_abs);
RETURN_IF        1566 dln.c          	RETURN_IF(has_ext);
RETURN_IF        1577 dln.c              RETURN_IF(fname[0] == '/');
RETURN_IF        1578 dln.c              RETURN_IF(strncmp("./", fname, 2) == 0 || strncmp("../", fname, 3) == 0);
RETURN_IF        1579 dln.c              RETURN_IF(exe_flag && strchr(fname, '/'));