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_get_osfhandle

Retrieves the operating-system file handle that is associated with the specified file descriptor.

intptr_t _get_osfhandle( 
   int fd 
);

fd

An existing file descriptor.

An operating-system file handle if fd is valid. Otherwise, the invalid parameter handler is invoked, as described in Parameter Validation. If execution is allowed to continue, this function returns INVALID_HANDLE_VALUE (–1) and sets errno to EBADF, indicating an invalid file handle.

To close a file opened with _get_osfhandle, call _close. The underlying handle is also closed by a call to _close, so it is not necessary to call the Win32 function CloseHandle on the original handle.

Routine

Required header

_get_osfhandle

<io.h>

For more compatibility information, see Compatibility in the Introduction.

Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.

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