rsock_scm_optname_to_int  105 ext/socket/constants.c             return constant_arg(type, rsock_scm_optname_to_int, "unknown UNIX control message");
rsock_scm_optname_to_int  123 ext/socket/constants.c             return constant_arg(type, rsock_scm_optname_to_int, "unknown UNIX control message");
rsock_scm_optname_to_int 2227 ext/socket/constdefs.h int rsock_scm_optname_to_int(const char *str, long len, int *valp);