ON_EXIT(3)

NAME
       on_exit  - register a function to be called at normal pro-
       gram 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
       exit(3) atexit(3)