PC_VERSION
return (__priocntlset(PC_VERSION, procsetp, cmd, arg, 0));
return (__priocntlset(PC_VERSION, procsetp, cmd, arg, &varparms));
return (__priocntlset(PC_VERSION, &procset, cmd, arg, 0));
return (__priocntlset(PC_VERSION, &procset, cmd, arg, &varparms));
if (pc_version != PC_VERSION)