NAME¶
on_exit - 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.
