本文在找出汉字区位码与地址码转换关系的基础上，阐述了用Ｃ语言开发的，在西文图形方式下能显示一、二级汉字库中所有汉字的处理软件的设计考虑，并给出了有关程序。-This article find the characters in the location code and address code based on the conversion relationship, described using C language development in Spanish graphics mode

有关C语言的发展历史，主要变化及部分基本知识，例如指针、端口的描述-The C language, history, major changes and some basic knowledge, such as pointers, port descr iption