_SC_2_SW_DEV      488 ext/etc/constdefs.h #if !defined(_SC_2_SW_DEV)
_SC_2_SW_DEV      490 ext/etc/constdefs.h #  define _SC_2_SW_DEV _SC_2_SW_DEV
_SC_2_SW_DEV     1232 ext/etc/constdefs.h #if defined(_SC_2_SW_DEV)
_SC_2_SW_DEV     1233 ext/etc/constdefs.h     rb_define_const(mod, "SC_2_SW_DEV", INTEGER2NUM(_SC_2_SW_DEV));