#include <stdio.h>
#include <stdlib.h>

static void never_die (void), arrrrgh (void);

int main (void)
{
        if (atexit(never_die) != 0)
                fprintf(stderr,
                        "Can't register never_die() (attempt 1)\n");
        if (atexit(arrrrgh) != 0)
                fprintf(stderr,
                        "Can't register arrrrgh() (attempt 1)\n");
        if (atexit(never_die) != 0)
                fprintf(stderr,
                        "Can't register never_die() (attempt 2)\n");
        if (atexit(arrrrgh) != 0)
                fprintf(stderr,
                        "Can't register arrrrgh() (attempt 2)\n");

        return 0;
}

static void never_die (void)
{
        printf("Never die\nNever die\nNever die!\n");
}

static void arrrrgh (void)
{
        printf("Arrrrrgh\n");
}