C program to calculate factorial using "function".

C program to calculate factorial using "function".

/*C program to calculate factorial using "function".*/
#include <stdio.h>
#include <conio.h>
void main()
{
int n,x;
int fun(int);
printf("Enter  any no=");
scanf("%d",&n);
x=fun(n);
printf("factorial of %d is %d ",n,x);
getch();
}
fun(int z)
{int fact=1;
for(;z!=0;z--)
  { fact*=z ;
  }
 return(fact);
}

Expected Output:
Enter Enter  any no=5
Factorial of 5 is=120

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