C Program to Reverse a Given Number

#include <stdio.h>

void main()

{

    long  num, reverse = 0, temp, remainder;

    printf("Enter the number\n");

    scanf("%ld", &num);

    temp = num;

    while (num > 0)

    {

        remainder = num % 10;

        reverse = reverse * 10 + remainder;

        num /= 10;

    }

    printf("Given number = %ld\n", temp);

    printf("Its reverse is = %ld\n", reverse);

}