#ifdef LIB

int foo = 42;

#else

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

int main()
{
	void *h1, *h2, *hg;
	h1 = dlopen("./libA.so", RTLD_NOW|RTLD_LOCAL);
	h2 = dlopen("./libB.so", RTLD_NOW|RTLD_GLOBAL);
	hg = dlopen(0, RTLD_NOW|RTLD_GLOBAL);
	printf("%p\n", dlsym(hg, "foo"));
	dlopen("./libA.so", RTLD_NOW|RTLD_GLOBAL);
	printf("%p\n", dlsym(hg, "foo"));
}

#endif