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#define INCL_DOSDEVIOCTL
 
USHORT DosDevIOCtl(pbCPID, 0L, 0x0078, 0x0004, hDevice)
PBYTE pbCPID;     /* pointer to buffer for code page id */
HFILE hDevice;    /* device handle                     */
 
The KBD_GETCODEPAGEID function retrieves the identifier of the code page
being used by the current logical keyboard.
 
Parameter  Description
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pbCPID     Points to the CPID structure that receives the code-page
           identifier.
 
hDevice    Identifies the keyboard that receives the device-control
           function. The handle must have been created previously by using
           the DosOpen function.
 
Return Value
 
The return value is zero if the function is successful or an error value if
an error occurs.
 
Comments
 
This function sets the identifier to zero to indicate that PC US 437 is
being used.
 
See Also
 
KbdGetCp, CPID
 
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