C-Program to Convert Octal to Decimal

#include<stdio.h>

#include<math.h>

int main()

{

int dec=0,temp,i,inc=0,octal;

printf("Enter octal numer to convert to deciml number\n");

scanf("%d",&octal);

temp=octal;

while(temp!=0)

{

    i=temp%10;

    dec=dec+(i*pow(8,inc));

    temp=temp/10;

    inc++;

}

printf("Decimal number of %d is %d\n",octal,dec);

return 0;

}