(The course goal is 16 days. There are 6 classes every day. Each class has 40 minutes of class recording, which will take you to conquer the C language. Let all people who have learned and have not learned the C language, or those who are ready to learn the C language learn the C language, and find a person who studies the C language. The only way. It is applicable to all people who have learned or have not learned C language, or who are ready to learn C language!)