ON_EXIT (3)
register a function to be called at normal program termination.
SYNOPSIS
#include <stdlib.h>
int on_exit(void (* function )(int , void *), void * arg );
DESCRIPTION
The on_exit() function registers the given function to be
called at normal program termination, whether via
exit (3)
or via return
from the program's main. The function is passed the argument
to
exit (3)
and the arg argument from on_exit().
RETURN VALUE
The on_exit() function returns the value 0 if successful; otherwise
the value -1 is returned.
SEE ALSO
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