Lines Matching refs:sum
57 register int sum = 0;60 * Our algorithm is simple, using a 32 bit accumulator (sum),66 sum += *w++;72 sum += (*(u_char *)w) << 8;77 sum = (sum >> 16) + (sum & 0xffff); /* add hi 16 to low 16 */78 sum += (sum >> 16); /* add carry */79 answer = ~sum; /* truncate to 16 bits */