| sleep, alarm \- delay, ask for delayed note |
| int sleep(long millisecs) |
| long alarm(unsigned long millisecs) |
| suspends the current process for the number |
| of milliseconds specified by the argument. |
| The actual suspension time may be a little more or less than |
| gives up the CPU if another process is waiting to run, returning |
| Sleep returns \-1 if interrupted, 0 otherwise. |
| to be sent to the invoking process after the number of milliseconds |
| A zero argument clears the alarm. |
| The return value is the amount of time previously remaining in |
| .B /usr/local/plan9/src/libc/9syscall |
