nf-fci-fnfciwrite.md

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NF:fci.FNFCIWRITE	FNFCIWRITE macro (fci.h)	The FNFCIWRITE macro provides the declaration for the application-defined callback function to write data to a file in an FCI context.	FNFCIWRITE FNFCIWRITE macro [Windows API] fci/FNFCIWRITE winprog.fnfciwrite	winprog\fnfciwrite.htm	winprog	ca4c3b5b-1ed5-4f12-8317-c1e1dac5f816	12/05/2018	FNFCIWRITE, FNFCIWRITE macro [Windows API], fci/FNFCIWRITE, winprog.fnfciwrite	fci.h		Windows															Windows			19H1	FNFCIWRITE fci/FNFCIWRITE	c++	APIRef kbSyntax	HeaderDef	fci.h	FNFCIWRITE

-description

The FNFCIWRITE macro provides the declaration for the application-defined callback function to write data to a file in an FCI context.

-parameters

-param fn

An application-defined value used to identify the open file.

-remarks

The function accepts parameters similar to _write.

Examples

FNFCIWRITE(fnFileWrite)
{
    DWORD dwBytesWritten = 0;

    UNREFERENCED_PARAMETER(pv);

    if ( WriteFile((HANDLE)hf, memory, cb, &dwBytesWritten, NULL) == FALSE )
    {
        dwBytesWritten = (DWORD)-1;
        *err = GetLastError();
    }

    return dwBytesWritten;
}

-see-also

FCICreate