MCAST_EXCLUDE 1261 ext/socket/constdefs.c #if defined(MCAST_EXCLUDE) MCAST_EXCLUDE 1263 ext/socket/constdefs.c rb_define_const(rb_cSocket, "MCAST_EXCLUDE", INTEGER2NUM(MCAST_EXCLUDE)); MCAST_EXCLUDE 1265 ext/socket/constdefs.c rb_define_const(rb_mSockConst, "MCAST_EXCLUDE", INTEGER2NUM(MCAST_EXCLUDE)); MCAST_EXCLUDE 1040 ext/socket/constdefs.h #if !defined(MCAST_EXCLUDE) MCAST_EXCLUDE 1042 ext/socket/constdefs.h # define MCAST_EXCLUDE MCAST_EXCLUDE