atexit - register a function to be called at normal pro
gram termination.
SYNOPSIS
#include <stdlib.h>
int atexit(void (*function)(void));
DESCRIPTION
The atexit() function registers the given function to be
called at normal program termination, whether via exit(3)
or via return from the program's main. Functions so reg
istered are called in the reverse order of their registra
tion; no arguments are passed.
RETURN VALUE
The atexit() function returns the value 0 if successful;
otherwise it returns a nonzero value; errno is not set.
CONFORMING TO
SVID 3, BSD 4.3, ISO 9899
SEE ALSO
exit(3), on_exit(3)
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