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

int
main(void)
{
        void *handle = dlopen("libtest.so", DL_LAZY);
        void (*version)(void);

        if (handle == NULL)
                errx(1, "could not dynamically link libtest");
        version = dlsym(handle, "version");
        if (version == NULL)
                errx(2, "libtest did not define version()");
        version();
        dlclose(handle);
        return 0;
}