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