Thread: Problem: Functions

It is supposed to show you that you alwais get TWO characters. First time the desired one and an additional 0x0a for the newline that's still in the buffer from the previous call to scanf.
Kurt

Originally Posted by dwks

You're supposed to mind read him.

No mind reading required.
I was just tired to repeat again that scanf leaves newlines in the buffer.
Kurt

Still don't get it. Maybe you can give me a link to a tutorial where I can read about this stuff in more details. Thanks

In your case there would be a simple solution

Code:

while((trans = getTrans()) != 'q')  {    
    if (trans == 'c' || trans == 'C'){
      updateCheque(&balance, &cheque, &cheques, &bounced);
      transMenu();
    }
    else if(trans == 'd' || trans == 'D'){
      updateDeposit(&balance, &deposit, &deposits);
      transMenu();
    }
    else if(trans == 'w' || trans == 'W'){
      updateWithdrawal(&balance, &withdrawal, &withdrawals);  
      transMenu();
    }
    else if(trans == '\n'){
      // just ignore newlines
    }
    else
      printf("Invalid selection, enter 'c', 'd', 'w', or 'q': ");          
 }

You could just as well put dwks code after each scanf in the program.
Kurt

Zuk
Thanks, it works.