linux下对网络编程中PPP拨号连接的源代码！通过GUN进行编译！-network programming under the PPP dial-up source code! Compiled by GUN!

gun linux编程原代码，很好的学习资料，大部分代代码都可以直接编译，gcc,gdb，已通过测试。 -gun linux programming source code, good learning materials, most of the generation of code can be compiled, gcc, gdb, has been tested.