Program in C to print Odd numbers from 1 to 20

Write a program in C to print Odd numbers from 1 to 20

#include <stdio.h>

void main ()

{

          int a;

          clrscr ();

          a=1;

          while (a<=20)

          {

                   if (a%2==1)

                             printf ("\n%d",a);

                   a++;

          }

          getch ();

}