IFF_LINK2 2473 ext/socket/constdefs.c #if defined(IFF_LINK2) IFF_LINK2 2475 ext/socket/constdefs.c rb_define_const(rb_cSocket, "IFF_LINK2", INTEGER2NUM(IFF_LINK2)); IFF_LINK2 2477 ext/socket/constdefs.c rb_define_const(rb_mSockConst, "IFF_LINK2", INTEGER2NUM(IFF_LINK2)); IFF_LINK2 2017 ext/socket/constdefs.h #if !defined(IFF_LINK2) IFF_LINK2 2019 ext/socket/constdefs.h # define IFF_LINK2 IFF_LINK2