byte_swapped
byte_swapped = 1;
if (mlen == 0 && byte_swapped == 0)
if (byte_swapped) {
byte_swapped = 0;
int byte_swapped = 0;
#define ADDBYTE {ROL; sum += *w; byte_swapped ^= 1;}
int byte_swapped = 0;
if (byte_swapped) {