Binary_Search

#include<stdio.h>
int binary(int *array,int size,int x)
{int l=0,h=size,mid;
while(l<=h)
{
mid=(h+l)/2;
if(x<array[mid])
h=mid-1;
else if(x>array[mid])
l=mid+1;
else
{if(array[mid]==x)
return 1;
else return 0;
}
}
}
void main()
{
int size=5,i,x,r;
int *array=(int*)malloc(2*size);
for(i=0;i<size;i++)
scanf("%d",&*(array+i));
scanf("%d",&x);
r=binary(array,size,x);
 if(r==1)
 printf("Found");
 getch();
}