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#ifndef __JIN_COMMON_DATA_H #define __JIN_COMMON_DATA_H namespace jin { class DataBuffer { public: DataBuffer(int n) : len(n) { buffer = new char[len]; memset(buffer, 0, len); } ~DataBuffer() { delete[] buffer; } char* operator&() { return buffer; } private: char* buffer; int len; }; } // jin #endif