#include<stdio.h> 
#include<stdlib.h> 
#include<string.h> 
//Functiontoconvertbinarytooctalfor 
a 
binaryToOctalForOctet(int binaryNumber) { 
int octalNumber=0,decimalNumber=0,i=0; 
single 
//Convertbinarytodecimal while(binaryNumber!=0){ 
decimalNumber+=(binaryNumber%10)*(1<<i); 
++i; 
binaryNumber/= 10; 
} 
i= 1; 
// Convert decimal to octal while(decimalNumber!=0){ 
octet(8bits) 
octalNumber+=(decimalNumber%8)*i; decimalNumber /= 8; 
i*=10; 
} 
returnoctalNumber; 
} 
//FunctiontoconvertbinaryIPaddresstooctal 
void 
int 
binaryIPToOctal(char 
binaryIP[]) { 
inti,octet,octal; char *ptr; 
//SplitbinaryIP intooctetsandconverteachoctet printf("Octal IP address: "); 
for(i= 0;i<32;i+= 8) { 
octet = strtol(binaryIP + i, &ptr, 2); octal=binaryToOctalForOctet(octet); 
printf("%d", octal); 
if (i < 24) { printf("."); 
} 
} 
printf("\n"); 
} 
intmain(){ 
charbinaryIP[33];//Assuming IPv4addressinbinaryform 
// Input binary IP address from user printf("EnterabinaryIPv4address(32bits):"); 
scanf("%32s", binaryIP); 
//CallfunctiontoconvertbinaryIPtooctal binaryIPToOctal(binaryIP); 
return0; 
} 
Output: 
EnterabinaryIPv4address(32bits):11000000101010000000000100000011   
Octal IP address: 300.522.1.203