This repository is used to store .h declaration files of C APIs. The OpenHarmony C API is collection of system C interfaces that the operating system provided for applications using the C/C++ language library.It is the contract between the system and the applications; These interfaces need to be sufficiently stable. Interfaces are currently organized into various directories according to the function, and the directories organized as follows.
[C API编码规范](https://gitee.com/openharmony-sig/interface_sdk_c/blob/master/docs/capi_naming.md): A guide that describes how to design and publish an interface.
[C API构建指南](https://gitee.com/openharmony-sig/interface_sdk_c/blob/master/docs/howto_add.md):A guide that describes how to add a build target for the C API in the build.gn