Every other one can be justified by the size of char/int are not fixed, but instead the standard defines a minimum size. Int is usually 32 bit but it's allowed

Every other one can be justified by the size of char/int are not fixed, but instead the standard defines a minimum size. Int is usually 32 bit but it's allowed to be 16 bit or anything larger. Char is usually 8 bit but can arbitrarily large if the platform "byte" is not 8 bits.