MSG_SYN 661 ext/socket/constdefs.c #if defined(MSG_SYN) MSG_SYN 663 ext/socket/constdefs.c rb_define_const(rb_cSocket, "MSG_SYN", INTEGER2NUM(MSG_SYN)); MSG_SYN 665 ext/socket/constdefs.c rb_define_const(rb_mSockConst, "MSG_SYN", INTEGER2NUM(MSG_SYN)); MSG_SYN 512 ext/socket/constdefs.h #if !defined(MSG_SYN) MSG_SYN 514 ext/socket/constdefs.h # define MSG_SYN MSG_SYN