HTOLE32
#define HTOLE32(x) (x) = bswap32((uint32_t)(x))
#define HTOLE32(x) (void) (x)
#define HTOLE32(x) rev32 x, x
#define HTOLE32(x)
#define HTOLE32(x) (x) = htole32(x)
#define HTOLE32(x) (x) = bswap32(__CAST(uint32_t, (x)))
#define HTOLE32(x) __CAST(void, (x))