8 void Delta_Init(Byte *state)  in Delta_Init()
16 void Delta_Encode(Byte *state, unsigned delta, Byte *data, SizeT size)  in Delta_Encode()
18   Byte temp[DELTA_STATE_SIZE];  in Delta_Encode()
35       Byte b = *data;  in Delta_Encode()
36       *data++ = (Byte)(b - temp[i]);  in Delta_Encode()
55     Byte *p = data + size - delta;  in Delta_Encode()
63       const Byte *lim = data + delta;  in Delta_Encode()
68         --p;  *p = (Byte)(*p - p[dif]);  in Delta_Encode()
73         --p;  *p = (Byte)(*p - p[dif]);  in Delta_Encode()
74         --p;  *p = (Byte)(*p - p[dif]);  in Delta_Encode()
81         --p;  *p = (Byte)(*p - temp[--dif]);  in Delta_Encode()
89 void Delta_Decode(Byte *state, unsigned delta, Byte *data, SizeT size)  in Delta_Decode()
92   const Byte *lim;  in Delta_Decode()
103       *data = (Byte)(*data + state[i++]);  in Delta_Decode()
151         *data = (Byte)(*data + state[i++]);  in Delta_Decode()
159           *data = (Byte)(*data + data[dif]);  in Delta_Decode()