82 static void hash_init(hash *pHash, const char *z){  in hash_init()  argument
89   memcpy(pHash->z, z, NHASH);  in hash_init()
90   pHash->a = a & 0xffff;  in hash_init()
91   pHash->b = b & 0xffff;  in hash_init()
92   pHash->i = 0;  in hash_init()
98 static void hash_next(hash *pHash, int c){  in hash_next()  argument
99   u16 old = pHash->z[pHash->i];  in hash_next()
100   pHash->z[pHash->i] = c;  in hash_next()
101   pHash->i = (pHash->i+1)&(NHASH-1);  in hash_next()
102   pHash->a = pHash->a - old + c;  in hash_next()
103   pHash->b = pHash->b - NHASH*old + pHash->a;  in hash_next()
109 static u32 hash_32bit(hash *pHash){  in hash_32bit()  argument
110   return (pHash->a & 0xffff) | (((u32)(pHash->b & 0xffff))<<16);  in hash_32bit()