No subject

BOOL ReadFile(
  HANDLE hFile,
  LPVOID lpBuffer,
  DWORD nNumberOfBytesToRead,
  LPDWORD lpNumberOfBytesRead,
  LPOVERLAPPED lpOverlapped
);

Parameters
hFile 
[in] Handle to the file to be read. The file handle must have been created with the
GENERIC_READ access right. For more information, see File Security and Access Rights. 
For asynchronous read operations, hFile can be any handle opened with the
FILE_FLAG_OVERLAPPED flag by the CreateFile function, or a socket handle returned
by the socket or accept function.

-- 
Dmitry.