我遇到过很多程序员和计算机系毕业的学生，也给很多程序员和计算机系毕业的学生讲 解过《高级 C 语言程序设计》。每期班开课前，我总会问学生：你感觉 C 语言学得怎么样？ 难吗？指针明白吗？数组呢？内存管理呢？往往学生回答说：感觉还可以，C 语言不难，指 针很明白，数组很简单，内存管理也不难。一般我会再问一个问题：通过这个班的学习，(C programming language)

我遇到过很多程序员和计算机系毕业的学生，也给很多程序员和计算机系毕业的学生讲 解过《高级 C 语言程序设计》。每期班开课前，我总会问学生：你感觉 C 语言学得怎么样？ 难吗？指针明白吗？数组呢？内存管理呢？往往学生回答说：感觉还可以，C 语言不难，指 针很明白，数组很简单，内存管理也不难。(The c programming language)

Of course, the accumulation of so many experiences and experiences in C language is not my own. Borrow a quote: I only But it is standing on the shoulders of giants. When I was doing training for students, I had more books to reference: Kernighan &a

The second role: Modify the function. Adding static before the function makes the function a static function. But here's the meaning of "static" Not referring to storage, but rather to the scope of the function is limited to this document