So, it's like if the menu were like this:
1. Login Menu
2. Item Menu
3. Buy
0. Exit
Let's say the user already log in, I want them not able to access the login menu again unless they exit the menu. I don't know how to make it, I'm still a beginner.
How to make menu inaccessable if user already input the data
So, it's like if the menu were like this:
1. Login Menu
2. Item Menu
3. Buy
0. Exit
Let's say the user already log in, I want them not able to access the login menu again unless they exit the menu. I don't know how to make it, I'm still a beginner.
What does your code look like at the moment.
If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
If at first you don't succeed, try writing your phone number on the exam paper.
