Avoiding cast when using CImage

Recently I have seen a few people telling others that if they need to cast they are doing something wrong. I have this code in C++

byte* pixel = (byte*)image->GetBits();
 

Here I cast to a byte* because GetBits() returns a void*. So how would I either

• have pixel hold a byte* without casting


• use void* (I have never used this type before)

To clarify, I then go on to use pixel similar to this.

*(pixel) += 20;
 *(pixel + 1) += 20;
 *(pixel + 2) += 20;
 

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