ReadIoPortByteEx

This function reads a BYTE value from the specified I/O port address.

Syntax

BOOL ReadIoPortByteEx(
    WORD port,
    PBYTE value
);

Parameters

• port
  [in] I/O port address
• value
  [out] a BYTE value

Return Values

If the function succeeds, the return value is TRUE.

If the function fails, the return value is FALSE.

Remarks

Requirements

• WinRing0 1.2 or later

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