env.cgrid[i][j] = unmarshallByte(th);

            env.cgrid[i][j] = (unsigned char) unmarshallByte(th);

        const char cloud_inspected = env.cgrid[mx][my];

        const int cloud_inspected = env.cgrid[mx][my];

#define EMPTY_CLOUD 101

#define EMPTY_CLOUD (MAX_CLOUDS + 1)