Lines Matching defs:buff
585 static unsigned int do_csum(const unsigned char *buff, int len)
592 odd = 1 & (unsigned long)buff;
595 result += (*buff << 8);
597 result = *buff;
600 buff++;
603 if (2 & (unsigned long)buff) {
604 result += *(unsigned short *)buff;
606 buff += 2;
609 const unsigned char *end = buff +
614 unsigned int w = *(unsigned int *)buff;
616 buff += 4;
620 } while (buff < end);
625 result += *(unsigned short *)buff;
626 buff += 2;
631 result += *buff;
633 result += (*buff << 8);