Introduction - If you have any usage issues, please Google them yourself
This function is a lexical analyzer, its analysis mainly from the aspects:** 1. Discriminant is not the first comment. Once read into the character appears/*, it has been using a while loop to read the following characters until*/date.** 2. And then judge is beginning to value. If the value is based on the situation at the beginning of the discussion is further divided into:* A. Prior to encounter a space, followed by reading the values are entered, then obviously, this is a number. And then other kinds of code output (37,-)* B. Prior to encounter a space, followed by reading the words of the incoming values are, for example, 123ac then it is an illegal character, output error