/*      $OpenBSD: foo.c,v 1.4 2024/08/23 12:56:26 anton Exp $ */
/* Public domain. 2008, Matthieu Herrb */

#include <dlfcn.h>
#include <stdio.h>
#include <err.h>

static void *h = NULL;

extern int bar(void);

void
foo_init(void)
{
        printf("loading %s\n", BAR);
        h = dlopen(BAR, RTLD_LAZY|RTLD_GLOBAL);
        if (h == NULL)
                errx(1, "dlopen %s: %s", BAR, dlerror());
        printf("loaded: %s\n", BAR);
}

int
foo(void)
{
        if (h == NULL)
                foo_init();
        
        return bar();
}