> You can not rely on any further information about them. Not entirely true. One may assume that sizeof(short) <= sizeof(int) <= sizeof(long). In particular,

> You can not rely on any further information about them. Not entirely true. One may assume that sizeof(short) <= sizeof(int) <= sizeof(long). In particular, one may cast from short to int and back without loss of information, and likewise from short to long and from int to long.