IFF_LINK1        2467 ext/socket/constdefs.c #if defined(IFF_LINK1)
IFF_LINK1        2469 ext/socket/constdefs.c     rb_define_const(rb_cSocket, "IFF_LINK1", INTEGER2NUM(IFF_LINK1));
IFF_LINK1        2471 ext/socket/constdefs.c     rb_define_const(rb_mSockConst, "IFF_LINK1", INTEGER2NUM(IFF_LINK1));
IFF_LINK1        2012 ext/socket/constdefs.h #if !defined(IFF_LINK1)
IFF_LINK1        2014 ext/socket/constdefs.h #  define IFF_LINK1 IFF_LINK1