829 static void hash_init(hash *pHash, const char *z){  in hash_init()  argument
835     pHash->z[i] = z[i];  in hash_init()
837   pHash->a = a & 0xffff;  in hash_init()
838   pHash->b = b & 0xffff;  in hash_init()
839   pHash->i = 0;  in hash_init()
845 static void hash_next(hash *pHash, int c){  in hash_next()  argument
846   u16 old = pHash->z[pHash->i];  in hash_next()
847   pHash->z[pHash->i] = (char)c;  in hash_next()
848   pHash->i = (pHash->i+1)&(NHASH-1);  in hash_next()
849   pHash->a = pHash->a - old + (char)c;  in hash_next()
850   pHash->b = pHash->b - NHASH*old + pHash->a;  in hash_next()
856 static u32 hash_32bit(hash *pHash){  in hash_32bit()  argument
857   return (pHash->a & 0xffff) | (((u32)(pHash->b & 0xffff))<<16);  in hash_32bit()