.SH DESCRIPTION
The
.BR ualarm ()
-function causes the signal SIGALRM to be sent
-to the invoking process after (not less than)
+function causes the signal
+.B SIGALRM
+to be sent to the invoking process after (not less than)
.I usecs
microseconds.
The delay may be lengthened slightly by any system activity
or by the time spent processing the call or by the
granularity of system timers.
.LP
-Unless caught or ignored, the SIGALRM signal will terminate the process.
+Unless caught or ignored, the
+.B SIGALRM
+signal will terminate the process.
.LP
If the
.I interval
-argument is non-zero, further SIGALRM signals will be sent every
+argument is non-zero, further
+.B SIGALRM
+signals will be sent every
.I interval
microseconds after the first.
.SH "RETURN VALUE"