+
+/* little/big endian stuff */
+
+//#define SWAP16(s) ((U16) ((U8*)&s)[0] | ((U16) ((U8*)&s)[1] << 8))
+//#define SWAP32(s) ((U32) ((U8*)&s)[0] | ((U32) ((U8*)&s)[1] << 8) | ((U32) ((U8*)&s)[2] << 16) | ((U32) ((U8*)&s)[3] << 24))
+
+#define PUT16(ptr,x) ((U8*)(ptr))[0]=(U8)(x);((U8*)(ptr))[1]=(U8)((x)>>8);
+#define PUT32(ptr,x) ((U8*)(ptr))[0]=(U8)(x);((U8*)(ptr))[1]=(U8)((x)>>8);((U8*)(ptr))[2]=(U8)((x)>>16);((U8*)(ptr))[3]=(U8)((x)>>24);
+#define GET16(ptr) (((U16)(((U8*)(ptr))[0]))+(((U16)(((U8*)(ptr))[1]))<<8))
+#define GET32(ptr) (((U16)(((U8*)(ptr))[0]))+(((U16)(((U8*)(ptr))[1]))<<8)+(((U16)(((U8*)(ptr))[2]))<<16)+(((U16)(((U8*)(ptr))[3]))<<24))
+
+#ifdef WORDS_BIGENDIAN
+#define SWAP16(s) ((((s)>>8)&0x00ff)|(((s)<<8)&0xff00))
+#define SWAP32(s) (SWAP16(((s)>>16)&0x0000ffff)|((SWAP16(s)<<16)&0xffff0000))
+#define REVERSESWAP16(x) (x)
+#define REVERSESWAP32(x) (x)
+#else
+#define SWAP16(x) (x)
+#define SWAP32(x) (x)
+#define REVERSESWAP16(s) ((((s)>>8)&0x00ff)|(((s)<<8)&0xff00))
+#define REVERSESWAP32(s) (REVERSESWAP16(((s)>>16)&0x0000ffff)|((REVERSESWAP16(s)<<16)&0xffff0000))
+#endif