_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));