rsock_ipv6_optname_to_int   79 ext/socket/constants.c             return constant_arg(optname, rsock_ipv6_optname_to_int, "unknown IPv6 level option name");
rsock_ipv6_optname_to_int  110 ext/socket/constants.c             return constant_arg(type, rsock_ipv6_optname_to_int, "unknown IPv6 control message");
rsock_ipv6_optname_to_int 2218 ext/socket/constdefs.h int rsock_ipv6_optname_to_int(const char *str, long len, int *valp);