_SC_MESSAGE_PASSING 183 ext/etc/constdefs.h #if !defined(_SC_MESSAGE_PASSING) _SC_MESSAGE_PASSING 185 ext/etc/constdefs.h # define _SC_MESSAGE_PASSING _SC_MESSAGE_PASSING _SC_MESSAGE_PASSING 1049 ext/etc/constdefs.h #if defined(_SC_MESSAGE_PASSING) _SC_MESSAGE_PASSING 1050 ext/etc/constdefs.h rb_define_const(mod, "SC_MESSAGE_PASSING", INTEGER2NUM(_SC_MESSAGE_PASSING));