_SC_MAPPED_FILES  163 ext/etc/constdefs.h #if !defined(_SC_MAPPED_FILES)
_SC_MAPPED_FILES  165 ext/etc/constdefs.h #  define _SC_MAPPED_FILES _SC_MAPPED_FILES
_SC_MAPPED_FILES 1037 ext/etc/constdefs.h #if defined(_SC_MAPPED_FILES)
_SC_MAPPED_FILES 1038 ext/etc/constdefs.h     rb_define_const(mod, "SC_MAPPED_FILES", INTEGER2NUM(_SC_MAPPED_FILES));