ObjFW 是一个可移植的、轻量级的 Objective C 编程语言框架。
ObjFW 0.7.1 改进内容：
1. 支持 Haiku.
2. Autorelease pools now work properly without __thread.
3. Incorrect framework version in the Xcode project has been fixed.
4. Documentation fixes and improvements.
5. Blocks now only use 16 bits for the reference count in order to avoid problems with newer Clang versions. More use of OF_SENTINEL
主页：https://webkeks.org/objfw/
来自:开源中国社区
