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.

SEE ALSO

       atexit(3), exit(3)

GNU                                               April 2, 1993                                       ON_EXIT(3)