_SC_OPEN_MAX      118 ext/etc/constdefs.h #if !defined(_SC_OPEN_MAX)
_SC_OPEN_MAX      120 ext/etc/constdefs.h #  define _SC_OPEN_MAX _SC_OPEN_MAX
_SC_OPEN_MAX     1010 ext/etc/constdefs.h #if defined(_SC_OPEN_MAX)
_SC_OPEN_MAX     1011 ext/etc/constdefs.h     rb_define_const(mod, "SC_OPEN_MAX", INTEGER2NUM(_SC_OPEN_MAX));