DDK常用函数与数据结构描述!里面介绍了DDK的一些常用函数说明-DDK commonly used functions and data structures described! They introduced the DDK some commonly used functions Note

程控交换软件开发中的一些常用库函数及实现-Program-controlled switching in software development and implementation of some commonly used library functions

程控交换编程中常用的一些库函数列表和头文件。-Program-controlled exchange of programming in a number of commonly used library functions list.