Trouble you give some ideas

CodePudding user response:

Integer and string conversion function is
Itoa atoi
Search for yourself

CodePudding user response:

I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10581430.html
I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10768339.html