Hey guys just a quick question on the atoi function.
In the Caesar walkthrough video with Zamyla, at around 06:00 she mentions investigating the "atoi" function in order to see what would be returned if the input to the function "doesn't contain all numbers".
looking into the man of "atoi" page it stated pretty much what i expected it to say (basically this function converts characters to integers and there are other relatives of this function etc).
I feel like there is something I've missed here that may become important down the line if not identified early.
Is it just to write my code to ensure a correct user input of all numbers into the programs decipher key? or is it something more?
I'd appreciate any input, answers or further clear explanation of the "atoi" function so i can decipher Zamylas cryptic message..... see what i did there :)