_SC_VERSION       383 ext/etc/constdefs.h #if !defined(_SC_VERSION)
_SC_VERSION       385 ext/etc/constdefs.h #  define _SC_VERSION _SC_VERSION
_SC_VERSION      1169 ext/etc/constdefs.h #if defined(_SC_VERSION)
_SC_VERSION      1170 ext/etc/constdefs.h     rb_define_const(mod, "SC_VERSION", INTEGER2NUM(_SC_VERSION));