ON_EXIT(3) Linux Programmer's Manual ON_EXIT(3)
NAME
on_exit - register a function to be called at normal program termina-
tion.
SYNOPSIS
#include<stdlib.h>
inton_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().
RETURNVALUE
The on_exit() function returns the value 0 if successful; otherwise it
returns a non-zero value.
CONFORMINGTO
This function comes from SunOS, but is also present in libc4, libc5 and
glibc.
SEEALSO
atexit(3), exit(3)
GNU 1993-04-02 ON_EXIT(3)