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1/** @file\r
2 Device Path services. The thing to remember is device paths are built out of\r
3 nodes. The device path is terminated by an end node that is length\r
4 sizeof(EFI_DEVICE_PATH_PROTOCOL). That would be why there is sizeof(EFI_DEVICE_PATH_PROTOCOL)\r
5 all over this file.\r
6\r
7 The only place where multi-instance device paths are supported is in\r
8 environment varibles. Multi-instance device paths should never be placed\r
9 on a Handle.\r
10\r
11 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
12 Copyright (c) Microsoft Corporation.\r
13 SPDX-License-Identifier: BSD-2-Clause-Patent\r
14\r
15**/\r
16\r
17#include "UefiDevicePathLib.h"\r
18\r
19/**\r
20 Retrieves the device path protocol from a handle.\r
21\r
22 This function returns the device path protocol from the handle specified by Handle.\r
23 If Handle is NULL or Handle does not contain a device path protocol, then NULL\r
24 is returned.\r
25\r
26 @param Handle The handle from which to retrieve the device\r
27 path protocol.\r
28\r
29 @return The device path protocol from the handle specified by Handle.\r
30\r
31**/\r
32EFI_DEVICE_PATH_PROTOCOL *\r
33EFIAPI\r
34DevicePathFromHandle (\r
35 IN EFI_HANDLE Handle\r
36 )\r
37{\r
38 return NULL;\r
39}\r