windows-xp/Source/XPSP1/NT/base/ntsetup/syssetup/amd64/platform.c

#include "setupp.h"
#pragma hdrstop

WCHAR x86SystemPartitionDrive;

WCHAR FloppylessBootPath[MAX_PATH];

UINT
PlatformSpecificInit(
    VOID
    )
{
    //
    // Determine x86 system partition (usually but not always C:).
    //
    x86SystemPartitionDrive = x86DetermineSystemPartition();
    return(NO_ERROR);
}