CATSEP           1273 ext/socket/raddrinfo.c #define CATSEP do { rb_str_cat2(ret, sep); sep = " "; } while (0);
CATSEP           1337 ext/socket/raddrinfo.c #undef CATSEP
CATSEP           1363 ext/socket/raddrinfo.c #define CATSEP do { rb_str_cat2(ret, sep); sep = " "; } while (0);
CATSEP           1408 ext/socket/raddrinfo.c #undef CATSEP