MCAST_JOIN_GROUP 1219 ext/socket/constdefs.c #if defined(MCAST_JOIN_GROUP)
MCAST_JOIN_GROUP 1221 ext/socket/constdefs.c     rb_define_const(rb_cSocket, "MCAST_JOIN_GROUP", INTEGER2NUM(MCAST_JOIN_GROUP));
MCAST_JOIN_GROUP 1223 ext/socket/constdefs.c     rb_define_const(rb_mSockConst, "MCAST_JOIN_GROUP", INTEGER2NUM(MCAST_JOIN_GROUP));
MCAST_JOIN_GROUP 1005 ext/socket/constdefs.h #if !defined(MCAST_JOIN_GROUP)
MCAST_JOIN_GROUP 1007 ext/socket/constdefs.h #  define MCAST_JOIN_GROUP MCAST_JOIN_GROUP