C – Find the Square Root Number Using the Function

Write a c program to find the square root of the number. 

#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
 int num; 
 int squreroot(int num);
 printf("Input Number:");
 scanf("%d",&num);
 squreroot(num);
 getch();
}
int squreroot(int num)
{
 printf("squreroot: %f",sqrt(num));
 return 0; 
}