Using Integer Variable as Index in scanf

Question

I\'m trying to do the below in my function but keep getting a segmentation fault error. It\'s failing when I\'m trying to use [iModify - 1] as my index.

Can

Answer 1

You have used char name_num[] = {'\0'}; in your code. name_num has the length of 1 char, which is too short to hold a string later.

Therefore, you are writing out-of-bounds when you read name_num.