根据sz的经典论文实现的图像细化(骨架化)程序。程序中没有使用opencv，而是使用了matcom C++库函数。需要用到matlib.h和matlib.lib。-Sz classic paper to achieve the image thinning (skeleton) program. The program does not use opencv, but the use matcom C++ library functions. Need matlib.h and matlib.l

将在内存图像数据直接保存为bmp文件到硬盘，封装为c语言函数，直接调用。-The image data directly in memory, saved as bmp files to the hard disk, the package for the c language function called directly.