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#include <dlfcn.h>

int main (int argc, char const* argv[])
{
    void* p1 = dlopen("/System/Library/Frameworks/OpenGL.framework/OpenGL", RTLD_LOCAL|RTLD_NOW);
    void* p2 = dlopen("/System/Library/Frameworks/AGL.framework/AGL", RTLD_LOCAL|RTLD_NOW);
    fprintf(stderr, "%p, %p\n", p1, p2);
    return 0;
}