+#define __swap_16(x) \
+ ({ unsigned short x_ = (unsigned short)x; \
+ (unsigned short)( \
+ ((x_ & 0x00FFU) << 8) | ((x_ & 0xFF00U) >> 8) ); \
+ })
+#define __swap_32(x) \
+ ({ unsigned long x_ = (unsigned long)x; \
+ (unsigned long)( \
+ ((x_ & 0x000000FFUL) << 24) | \
+ ((x_ & 0x0000FF00UL) << 8) | \
+ ((x_ & 0x00FF0000UL) >> 8) | \
+ ((x_ & 0xFF000000UL) >> 24) ); \
+ })
+