func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) {
	runtime.EnterSyscall()
	r0, e2, e1 := CallLeFuncWithErr(GetZosLibVec()+SYS_SETSOCKOPT<<4, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen))
	runtime.ExitSyscall()
	if int64(r0) == -1 {
		err = errnoErr2(e1, e2)
	}
	return
}