22 void Delta_Encode(Byte *state, unsigned delta, Byte *data, SizeT size)  in Delta_Encode()  argument
26   MyMemCpy(buf, state, delta);  in Delta_Encode()
31       for (j = 0; j < delta && i < size; i++, j++)  in Delta_Encode()
39   if (j == delta)  in Delta_Encode()
41   MyMemCpy(state, buf + j, delta - j);  in Delta_Encode()
42   MyMemCpy(state + delta - j, buf, j);  in Delta_Encode()
45 void Delta_Decode(Byte *state, unsigned delta, Byte *data, SizeT size)  in Delta_Decode()  argument
49   MyMemCpy(buf, state, delta);  in Delta_Decode()
54       for (j = 0; j < delta && i < size; i++, j++)  in Delta_Decode()
60   if (j == delta)  in Delta_Decode()
62   MyMemCpy(state, buf + j, delta - j);  in Delta_Decode()
63   MyMemCpy(state + delta - j, buf, j);  in Delta_Decode()