NAME
ualarm - set an alarm clock for delivery of a signal
SYNTAX
int ualarm(int useconds);
DESCRIPTION
ualarm arranges for a SIGALRM signal to be delivered to the
process in useconds micro seconds.
If useconds is zero, no new alarm is scheduled.
In any event any previously set alarm is cancelled.
RETURN VALUE
ualarm returns the number of microseconds seconds remaining
- until any previously scheduled alarm was due to be delivered, or
zero if there was no previously scheduled alarm.
SEE ALSO