memcpy(), what should the value of the size parameter be?

Question

I want to copy an int array to another int array. They use the same define for length so they\'ll always be of the same length.

What are the pros/cons of the followi

Answer 1

Will the second option always work? Regardless of the content?

It will work only if both conditions are satisfied:

• dst is regular array, not pointer
• src and dst are the same size