htobe32
#define htobe32(x) (x)
#define htobe32(x) bswap32((uint32_t)(x))
#define htobe32(x) __CAST(uint32_t, (x))
#define htobe32(x) bswap32(__CAST(uint32_t, (x)))
#define htobe32(x) (x)
#define htobe32(x) bswap32((u_int32_t)(x))