#include "ntos.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

void main()
{
    NTSTATUS Status;
    OBJECT_ATTRIBUTES Attr1;
    OBJECT_ATTRIBUTES Attr2;
    UNICODE_STRING  Name1;
    UNICODE_STRING  Name2;
    HANDLE Handle1;
    HANDLE Handle2;
    IO_STATUS_BLOCK IoStatusBlock;

    RtlInitUnicodeString(&Name1, L"\\DosDevices");
    RtlInitUnicodeString(&Name2, L"C:\\Nt");
    InitializeObjectAttributes(&Attr1, &Name1, OBJ_CASE_INSENSITIVE, NULL, NULL);
    Status = NtOpenDirectoryObject(&Handle1, DIRECTORY_QUERY, &Attr1);
    if (!NT_SUCCESS(Status)) {
        printf("NtOpenDirectoryObject failed %08lx\n",Status);
        exit(1);
    }

    InitializeObjectAttributes(&Attr2, &Name2, OBJ_CASE_INSENSITIVE, Handle1, NULL);
    Status = NtOpenFile(&Handle2, FILE_LIST_DIRECTORY, &Attr2, &IoStatusBlock, FILE_SHARE_READ | FILE_SHARE_WRITE, 0);
    if (!NT_SUCCESS(Status)) {
        printf("NtOpenFile failed %08lx\n",Status);
        exit(1);
    }

    printf("success\n");
}