41     char *data;  variable
49         data = buf;  in MessageBuf()
55         data = const_cast<char *>(buf);  in MessageBuf()
59     const char *getData() const { return data; }  in getData()
67         return data[pos++];  in readU8()
72         data[pos++] = val;  in writeU8()
79         memcpy(&val, &data[pos], sizeof(val));  in readU16()
88         memcpy(&data[pos], &tmp, sizeof(tmp));  in writeU16()
96         memcpy(&val, &data[pos], sizeof(val));  in readU32()
105         memcpy(&data[pos], &tmp, sizeof(tmp));  in writeU32()
113         memcpy(&val, &data[pos], sizeof(val));  in readU64()
122         memcpy(&data[pos], &tmp, sizeof(tmp));  in writeU64()
129         const void *buf = &data[pos];  in readRaw()
137         memcpy(&data[pos], buf, bufSize);  in writeRaw()