I am reading some C text at the address: https://cs.senecac.on.ca/~btp100/pages/content/files.html
in the section “OPENING A FILE“, the author wrote:
""r+" - opens the file for reading and possibly writing".
I dont understand why the author said “possibly writing“. Why not “reading and writing“. are there some cases we cannot write to file if using "r+"?
It’s poor wording. It should be: