HPUX atexit[2]

atexit(2) atexit(2)
NAME
atexit - register a function to be called at program termination
SYNOPSIS
#include <stdlib.h>
int atexit(void (*func)(void));
DESCRIPTION
atexit() registers the function func to be called, without arguments,
at normal program termination. Functions registered by atexit() are
called in reverse order of registration.
An atexit() call during exit processing is always unsuccessful.
The number of registered functions should not exceed ATEXIT_MAX as
specified in <limits.h>.
RETURN VALUE
atexit() returns zero if the registration is successful; non-zero if
unsuccessful.
SEE ALSO
exit(2).
STANDARDS CONFORMANCE
atexit(): AES, XPG4, ANSI C
Hewlett-Packard Company - 1 - HP-UX Release 9.0: August 1992