/*
 *  call-seq:
 *     stat.pid   => fixnum
 *
 *  Returns the process ID that this status object represents.
 *
 *     fork { exit }   #=> 26569
 *     Process.wait    #=> 26569
 *     $?.pid          #=> 26569
 */

static VALUE
pst_pid(st)
    VALUE st;
{
    return rb_iv_get(st, "pid");
}