HookLib

TargetFunction():                                 ^ ; return
-> jmp Interceptor ------> Interceptor():         |
   ??? ; Broken bytes        ... Handler code ... |
   ... ; Continuation  OriginalBeginning():
   ...         +---------|-> ...                  |      ... Original beginning ...
   ret --------+         |   ret -----------------+      ... of TargetFunction ...
                         +------------------------------ jmp Continuation

Jump to a relative offset:
E9 44 33 22 11  |  jmp rip+0x11223344 ; Relative jump to ±2Gb only

Jump to an absolute address (x32):
FF 25 44 33 22 11  | jmp ds:[0x11223344]
NN NN NN NN        |  Reference** and select the HookLib.  
Then add **./HookLib/HookLib/** folder to your header folders list and you're good to go.
```cpp
#include 

int func(int a, int b)
{
    return a + b;
}

int handler(int a, int b)
{
    return a * b;
}

template 
Fn hookFunc(Fn fn, Fn handler)
{
    return static_cast(hook(fn, handler));
}

void testSimpleHook()
{
    const auto orig = hookFunc(func, handler);
    
    assert(func(2, 3) == 6); // Hooked, the 'handler' will be called instead
    assert(orig(2, 3) == 5);
    
    unhook(orig);

    assert(func(2, 3) == 5);
}

void testCppHelpers()
{
    const auto holder = HookFactory::install(func, handler);
    assert(func(2, 3) == 6);
    assert(holder.call(2, 3) == 5);
}

int main()
{
    testSimpleHook();
    testCppHelpers();

    return 0;
}