BSWAP4
#define BSWAP4(x) ({ u32 ret_=(x); \
#define BSWAP4(x) ({ u32 ret_=(x); \
#define BSWAP4(x) ({ u32 ret_; \
#define BSWAP4(x) ({ u32 ret_; \
#define BSWAP4(x) ({ u32 ret_=(x); \
#define BSWAP4(x) _byteswap_ulong((u32)(x))
#define BSWAP4(x) _bswap4(x)