Login and signup (c++ code)

Question

- ask the user if new or not.
- if he is a new user : name, lastname, password(8 characters and must include number and special characters), email adress, phone number.
-data must be stored in a folder client.txt
-if not a new user, he must login threw his email and password.
-anyway tge user must be stored in a structure Client.

Answer 1

Hmmm