really only need help with the second block: C2. D2, E2, D, E

2) (13 points) The following Bourne shell script and C program can accomplish the same task: read an IP address from user's input and check if the input IP address is valid or not. Shell script C program # ! /bin/bash echo -n "Please enter the ip:" echo siplgrepB. if [ # include int main ) int n=0; n-scanf (" 2 B2. then echo "Please enter IP address following the IP address pattern" if (n!=4) printf("Please enter IP address { exit fi following the IP address pattern"): 2) (13 points) The following Bourne shell script and C program can accomplish the same task: read an IP address from user's input and check if the input IP address is valid or not. Shell script C program # ! /bin/bash echo -n "Please enter the ip:" echo siplgrepB. if [ # include int main ) int n=0; n-scanf (" 2 B2. then echo "Please enter IP address following the IP address pattern" if (n!=4) printf("Please enter IP address { exit fi following the IP address pattern")