factorial program in c using function
#include <stdio.h>
int fact (num1);
void main ()
{
int num,ret;
printf ("Enter the number: ");
scanf("%d",&num);
ret = fact(num);
printf("nthe factorial of %d is %dn",num,ret);
}
int fact(num1)
{
int i, f=1;
for(i=1; i<=num1; i++)
{
f = f * i;
}
return f;
}