sockopt_family_m  415 ext/socket/option.c     int family = NUM2INT(sockopt_family_m(self));
sockopt_family_m  466 ext/socket/option.c     int family = NUM2INT(sockopt_family_m(self));
sockopt_family_m 1207 ext/socket/option.c     int family = NUM2INT(sockopt_family_m(self));
sockopt_family_m 1452 ext/socket/option.c     rb_define_method(rb_cSockOpt, "family", sockopt_family_m, 0);