#include <stdio.h>
#include <string.h>

class FistDetour
{
	private:
		unsigned long counter;
		unsigned long numOfBytes;
		void *funcPtr;
		unsigned char *code;

	public:
		
		FistDetour(void *funcPtr, unsigned long bytes = 0)
		{
			this->funcPtr = funcPtr;
			this->numOfBytes = bytes;
			this->code = new unsigned char;
		}
		
		~FistDetour()
		{
			delete code;
		}
		
		unsigned char getInstructionAt(unsigned long offset)
		{
			memcpy((void *)code, (void *)((unsigned long)this->funcPtr + offset), 1);
			return *(this->code);
		}
};



int myFunc()
{
	return 0;
}


int main()
{
	FistDetour *detours = new FistDetour((void *)myFunc);
	int counter = 0;
	unsigned char code;
	
	while(counter < 15)
	{
		code = detours->getInstructionAt(counter);
		
		printf("myFunc(0x%X) + %d \t\t 0x%X\n", myFunc, counter, code);
		counter++;
		
		if(0xC3 == code)
			break;
	}
	
	delete detours;
}