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 the value -1 is returned; errno is not set.


CONFORMING TO

       SVID 3, BSD 4.3, ISO 9899


SEE ALSO

       exit(3), on_exit(3)