.SH DESCRIPTION
The
.BR atexit ()
-function registers the given \fIfunction\fP to be
+function registers the given
+.I function
+to be
called at normal process termination, either via
.BR exit (3)
-or via return from the program's \fImain\fP().
+or via return from the program's
+.IR main ().
Functions so registered are called in
the reverse order of their registration; no arguments are passed.