Cxxtools 源码， Cxxtools把大部分linux C 库函数封装成C++类。封装方法巧妙高效，可以用于学习和直接使用。-Cxxtools is a collection of general-purpose C++ classes. It includes classes for: * argument parsing * logging * wrappers for threading (pthreads) * network

Character Traits for use by standard string and iostream.

Move iostream unistr.h to here. -Move iostream unistr.h to here.

Test offsets on SrcMode (uses fixed-function blend).