C Program to Convert Octal to Binary using function

Learn about C Program to Convert Octal to Binary using function in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.

Contents

C Program to Convert Octal to Binary using function

Program:

 #include<stdio.h>
 #include<math.h>
 int convertOctalToDecimal(int m);
 int convertDecimalToBinary(int n);
 int main()
 {
     int octal, decimal, binary;

     printf("Enter Octal Number: ");
     scanf("%d",&octal);

     decimal = convertOctalToDecimal( octal );
     binary = convertDecimalToBinary( decimal );

     printf("Binary Value= %d", binary);

     return 0;
 }

 int convertOctalToDecimal(int m)
 {
     int dec=0, i=0;

     while(m != 0)
     {
         dec += (m%10) * pow(8,i);
         m /= 10;
         i++;
     }
     return dec;
 }

 int convertDecimalToBinary(int n)
 {
     int bin=0, j=1;

     while(n != 0)
     {
         bin += (n%2) * j;
         n /= 2;
         j *= 10;
     }
     return bin;
 }

Output:

Enter Octal Number:16
Binary Value= 1110

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