得到分区信息

#include <stdio.h>
#include <windows.h>
#include <winioctl.h>

int main(void)
{
	//LPCTSTR lpszDevice = "\\\\.\\PhysicalDrive0";
	LPCTSTR lpszDevice = "\\\\.\\C:";
	HANDLE hDevice = CreateFile(lpszDevice,GENERIC_READ,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_EXISTING,0,NULL);

	if (!hDevice || (hDevice==(HANDLE)-1))
	{
		printf("Open Device error:%x\n",GetLastError());
		return -1;
	}

	DWORD temp;
	DISK_GEOMETRY DiskGeometry;
	BOOL bRet = DeviceIoControl(hDevice,IOCTL_DISK_GET_DRIVE_GEOMETRY,NULL,0,&DiskGeometry,sizeof(DISK_GEOMETRY),&temp,NULL);

	if (!bRet)
	{
		printf("IOCTL_DISK_GET_DRIVE_GEOMETRY Error code:%x\n",GetLastError());
	}


	PARTITION_INFORMATION parti_info;
	bRet = DeviceIoControl(hDevice,IOCTL_DISK_GET_PARTITION_INFO,NULL,0,&parti_info,sizeof(PARTITION_INFORMATION),&temp,NULL);
	if (!bRet)
	{
		printf("IOCTL_DISK_GET_PARTITION_INFOIOCTL_DISK_GET_PARTITION_INFO Error code:%x\n",GetLastError());
	}

	CloseHandle(hDevice);

	return 0;
}