sum                29 mp.c             int i, sum;
sum                31 mp.c             sum = 0;
sum                33 mp.c               sum += addr[i];
sum                34 mp.c             return sum;
sum                46 mp.c               if(memcmp(p, "_MP_", 4) == 0 && sum(p, sizeof(struct mp)) == 0)
sum                93 mp.c             if(sum((uchar*)conf, conf->length) != 0)