_SC_TRACE 338 ext/etc/constdefs.h #if !defined(_SC_TRACE) _SC_TRACE 340 ext/etc/constdefs.h # define _SC_TRACE _SC_TRACE _SC_TRACE 1142 ext/etc/constdefs.h #if defined(_SC_TRACE) _SC_TRACE 1143 ext/etc/constdefs.h rb_define_const(mod, "SC_TRACE", INTEGER2NUM(_SC_TRACE));