_SC_CHILD_MAX      48 ext/etc/constdefs.h #if !defined(_SC_CHILD_MAX)
_SC_CHILD_MAX      50 ext/etc/constdefs.h #  define _SC_CHILD_MAX _SC_CHILD_MAX
_SC_CHILD_MAX     968 ext/etc/constdefs.h #if defined(_SC_CHILD_MAX)
_SC_CHILD_MAX     969 ext/etc/constdefs.h     rb_define_const(mod, "SC_CHILD_MAX", INTEGER2NUM(_SC_CHILD_MAX));