largest of 3 numbers using functions

//largest of 3 numbers using functions
#include<stdio.h>
#include<conio.h>
int max(int a,int b)
{
 if(a>b)
  return(a);
 else
  return(b);
}

void main()
{
 int x,y,z,ans1,ans2;
 clrscr();
 printf("enter any 3 values\n");
 scanf("%d%d%d",&x,&y,&z);
 ans1=max(x,y);
 ans2=max(z,ans1);
 printf("largest value is %d\n",ans2);
 getch();
}

Functions

c programs