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82cffcf2
编写于
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作者:
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Annie_wang
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# utils<a name="EN-US_TOPIC_0000001078403148"></a>
# utils<a name="EN-US_TOPIC_0000001092539399"></a>
## Introduction<a name="section11660541593"></a>
The
**utils**
repository provides ndk_libraries_config and system functions.
The
**utils**
repository provides common enhanced APIs for development in C and C++.
**C++**
-
Enhanced APIs for operations related to files, paths, and strings
-
APIs related to the read-write lock, semaphore, timer, thread, and thread pool
-
APIs related to the security data container and data serialization
-
Error codes for each subsystem
-
Safe functions in C
**C**
-
Hardware Abstraction Layer (HAL) APIs for performing operations on standard files
-
APIs for internal functions, such as the timer
## Directory Structure<a name="section17271017133915"></a>
```
utils
├── native # Utility class implementation at the Native layer
├── ndk_libraries_config # Configuration of the NDK library
└── system # System-related predefined values and security policy configuration
/utils
├── native # Utility class implementation at the native layer
└── system # System-related predefined values and security policy configuration
```
## Usage<a name="section137421544135015"></a>
For details, see the API Reference.
## Repositories Involved<a name="section1249817110914"></a>
Utils subsystem
**utils subsystem**
**utils**
utils
utils
\_
native
[
utils\_native
](
https://gitee.com/openharmony/utils_native
)
[
utils\_native\_lite
](
https://gitee.com/openharmony/utils_native_lite
)
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