on_exit (3)

NAME

       on_exit  -  register a function to be called at normal program termina-
       tion.

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 it
       returns a non-zero value.

CONFORMING TO

       This function comes from SunOS, but is also present in libc4, libc5 and
       glibc.

SEE ALSO

       atexit(3), exit(3)

GNU                               1993-04-02                        on_exit(3)