1# raw_file_manager.h 2 3 4## Overview 5 6Provides file management functions for the **rawfile** directory. You can use the **ResourceManager** to open a rawfile and perform operations such as data search and reading. 7 8**Since**: 8 9 10**Related module**: [Rawfile] (rawfile.md) 11 12 13## Summary 14 15 16### Types 17 18| Name| Description| 19| -------- | -------- | 20| typedef struct [NativeResourceManager](rawfile.md#nativeresourcemanager) [NativeResourceManager](rawfile.md#nativeresourcemanager) | Represents the native **ResourceManager**. | 21 22 23### Function 24 25| Name| Description| 26| -------- | -------- | 27| [NativeResourceManager](rawfile.md#nativeresourcemanager) \* [OH_ResourceManager_InitNativeResourceManager](rawfile.md#oh_resourcemanager_initnativeresourcemanager) (napi_env env, napi_value jsResMgr) | Obtains the native **ResourceManager** based on the JS **ResourceManager** to implement rawfile-specific functions. | 28| void [OH_ResourceManager_ReleaseNativeResourceManager](rawfile.md#oh_resourcemanager_releasenativeresourcemanager) ([NativeResourceManager](rawfile.md#nativeresourcemanager) \*resMgr) | Releases the native **ResourceManager**. | 29| [RawDir](rawfile.md#rawdir) \* [OH_ResourceManager_OpenRawDir](rawfile.md#oh_resourcemanager_openrawdir) (const [NativeResourceManager](rawfile.md#nativeresourcemanager) \*mgr, const char \*dirName) | Traverses all files in the **rawfile** directory. | 30| [RawFile](rawfile.md#rawfile) \* [OH_ResourceManager_OpenRawFile](rawfile.md#oh_resourcemanager_openrawfile) (const [NativeResourceManager](rawfile.md#nativeresourcemanager) \*mgr, const char \*fileName) | Opens a rawfile and reads the data in it. | 31| [RawFile64](rawfile.md#rawfile64) \* [OH_ResourceManager_OpenRawFile64](rawfile.md#oh_resourcemanager_openrawfile64) (const [NativeResourceManager](rawfile.md#nativeresourcemanager) \*mgr, const char \*fileName) | Opens a large rawfile and reads the data in it. | 32| bool [OH_ResourceManager_IsRawDir](rawfile.md#oh_resourcemanager_israwdir) (const [NativeResourceManager](rawfile.md#nativeresourcemanager) \*mgr, const char \*path) | Checks whether a path is a subdirectory in the **rawfile** directory. | 33