The TransmitFile function transmits file data over a connected socket handle. This function uses the operating system's cache manager to retrieve the file data, and provides high-performance file data transfer over sockets. Syntax BOOL TransmitFile( SOCKET hSocket, HANDLE hFile, DWORD nNumberOfBytesToWrite, DWORD nNumberOfBytesPerSend, LPOVERLAPPED lpOverlapped, LPTRANSMIT_FILE_BUFFERS lpTransmitB
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