octal to binary

#include <stdio.h> #include<stdlib.h> #include<string.h> 
//Functiontoconvertdecimalnumberto8-bitbinarystring 
voiddecimalToBinary(unsignedintdecimal,char*binaryResult){ int i; 
for(i= 7;i>= 0;--i) { 
binaryResult[i]=(decimal%2)+'0'; decimal /= 2; 
} 
binaryResult[8]='\0'; //Null-terminatethebinarystring 
} 
//FunctiontoconvertIPv4addresstobinary void ipToBinary(char *ipAddress) { 
char*token; int octet; 
charbinaryResult[33]; //Buffertostore fullbinaryIP address 
charbinaryOctet[9];//Buffer 
printf("Binary IP address: "); 
tostoreeachoctet's 
binaryrepresentation 
//TokenizetheIPaddressusingstrtok token = strtok(ipAddress, "."); 
while(token!=NULL){ 
octet=atoi(token);//Converttokentointeger if (octet < 0 || octet > 255) { 
printf("InvalidIPaddressformat.\n"); return; 
} 
decimalToBinary(octet, 
binaryOctet); 
// 
Convert 
octet 
strcat(binaryResult,binaryOctet);//Appendbinaryoctettoresult 
strcat(binaryResult, ""); // Add space for readability 
token=strtok(NULL,"."); 
} 
binaryResult[strlen(binaryResult)-1]='\0';//Removelastspace 
binaryResult); // Print the binary IP address 
} 
intmain(){ 
charipAddress[20];//Buffer forIPv4addressinput 
//InputIPv4addressfromuser 
to 
binary 
printf("%s\n", 
printf("EnteranIPv4address(e.g.,300.522.1.203):"); scanf("%19s", ipAddress); 
//CallfunctiontoconvertIPv4 addresstobinary ipToBinary(ipAddress); 
return0; 
} 
Output: 
EnteranIPv4address:300.522.1.203 
BinaryIPaddress:100101100.100001010.00000001.11001011