MSG_FASTOPEN      697 ext/socket/constdefs.c #if defined(MSG_FASTOPEN)
MSG_FASTOPEN      699 ext/socket/constdefs.c     rb_define_const(rb_cSocket, "MSG_FASTOPEN", INTEGER2NUM(MSG_FASTOPEN));
MSG_FASTOPEN      701 ext/socket/constdefs.c     rb_define_const(rb_mSockConst, "MSG_FASTOPEN", INTEGER2NUM(MSG_FASTOPEN));
MSG_FASTOPEN      542 ext/socket/constdefs.h #if !defined(MSG_FASTOPEN)
MSG_FASTOPEN      544 ext/socket/constdefs.h #  define MSG_FASTOPEN MSG_FASTOPEN