Program to find reverse of a number by for loop in C.

Code Box 
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/*Program to find reverse of a number by for loop in C*/

#include<stdio.h>
#include<conio.h>

void main()
{
int num,num1,len,rem,newnum;
clrscr();

newnum=0;

printf("\n\tReverse Number maker");
printf("\n-------------------------");
printf("\nEnter a number:");
scanf("%d",&num);

num1=num; //to save actual number

for(len=0;num1>=1;len++)
{
rem=num1%10;
num1=num1/10;
newnum=newnum*10+rem; //Reverse formula 
}

printf("\nReverse of number is : %d",newnum);

getch();

}