printf("} {\n");
	qsort(signals, nelem(signals), sizeof signals[0], tuplecmp);
	for(i=0; i<nelem(signals); i++) {
		e = signals[i].num;
		if(i > 0 && signals[i-1].num == e)
			continue;
		strncpy(buf, strsignal(e), sizeof(buf) - 1);
		buf[sizeof(buf) - 1] = '\0';
		// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
		if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
			buf[0] += a - A;

func (w WaitStatus) Stopped() bool { return w&mask == stopped && Signal(w>>shift) != SIGSTOP }

func (w WaitStatus) Continued() bool { return w&mask == stopped && Signal(w>>shift) == SIGSTOP }

func (w WaitStatus) StopSignal() Signal {
	if !w.Stopped() {
		return -1
	}
	return Signal(w>>shift) & 0xFF
}

func (w WaitStatus) TrapCause() int { return -1 }

	Slen   uint8
	Data   [120]uint8
	raw    RawSockaddrDatalink
}

/*
 * Wait
 */

type WaitStatus uint32

func (w WaitStatus) Stopped() bool { return w&0x40 != 0 }
func (w WaitStatus) StopSignal() Signal {
	if !w.Stopped() {
		return -1
	}
	return Signal(w>>8) & 0xFF
}

func (w WaitStatus) Exited() bool { return w&0xFF == 0 }
func (w WaitStatus) ExitStatus() int {
	if !w.Exited() {

func (w WaitStatus) Signal() Signal {
	if !w.Signaled() {
		return -1
	}
	return Signal(w & mask)
}

func (w WaitStatus) StopSignal() Signal {
	if !w.Stopped() {
		return -1
	}
	return Signal(w>>shift) & 0xFF
}

func (w WaitStatus) TrapCause() int {
	if w.StopSignal() != SIGTRAP {
		return -1
	}
	return int(w>>shift) >> 8
}