Shulou(Shulou.com)06/01 Report--

This article introduces the relevant knowledge of "how to read and write documents in C language". Many people will encounter such a dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The code is as follows:

Char buff [1000] = {0}; / / if the file is opened in w, the file will be emptied; if the file does not exist, it will be created / / opened in r, and the file must exist first, otherwise it will open error / / + indicating that it can also read and write FILE * fp = fopen ("1.txt", "r +"); if (fp) {char * p = "hello1"; fwrite / / the file pointer moves at the beginning of the file / / the third parameter is the offset datum: / / 0 file header, 1 current location, 2 file tail fseek (fp,0,0); fread (buff,1,100,fp); puts (buff);} fclose (fp); "C language how to read and write files" is introduced here, thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.