We are using function fgets to fill a string array. Answer the questions 1, 2, and 3 by a single character such as, \b, \t, \", \0

1. Assuming the array is partially filled, what will be array's last character .
2. What will be the character before the last one. .
3. Assume the array is fully filled. What will be the last character. .
4. If array size is 20, how many printable characters will be in the array

we use c program