main.m

#import <Foundation/Foundation.h>
#import <dlfcn.h>

// clang main.m  -framework Foundation

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        
        dlopen("/System/Library/Frameworks/CoreGraphics.framework/Resources/BridgeSupport/CoreGraphics.dylib", RTLD_LAZY);
        
        void *callAddress = dlsym(RTLD_DEFAULT, "CGPointMake");
        assert(callAddress);
        
        NSLog(@"CGPoint make found at %p", callAddress);
        NSLog(@"All done");
        
    }
    return 0;
}