_SC_ASYNCHRONOUS_IO 133 ext/etc/constdefs.h #if !defined(_SC_ASYNCHRONOUS_IO) _SC_ASYNCHRONOUS_IO 135 ext/etc/constdefs.h # define _SC_ASYNCHRONOUS_IO _SC_ASYNCHRONOUS_IO _SC_ASYNCHRONOUS_IO 1019 ext/etc/constdefs.h #if defined(_SC_ASYNCHRONOUS_IO) _SC_ASYNCHRONOUS_IO 1020 ext/etc/constdefs.h rb_define_const(mod, "SC_ASYNCHRONOUS_IO", INTEGER2NUM(_SC_ASYNCHRONOUS_IO));