C program for factorial of a number without recursion

#include<stdio.h>
void main()
{
int i,fact=1,num;
clrscr();
printf("\nenter a number ");
scanf("%d",&num);
if(num==0)printf("\nfactorial is 1");
else
{
for(i=1;i<num;i++) fact=fact*i;
printf("\nthe factoral is %d",fact);
}
getch();
}