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ON_EXIT (3) | C library functions | Unix Manual Pages | :man

NAME

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

CONTENTS

Synopsis
Description

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)


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