1=0,u=n-1;
c=binary(a,n,m,l,u);
if(c==0)
printf("Number is not found.");
else
printf("Number is found.");

return 0;

}
int binary(int a[],int n,int m,int 1111 u){
int mid,c=0;

if(l<=u){
mid=(1+u)/2;
if(m==a[mid]){
ടേ;
}
else if(mreturn binary(a,n,m,l,mid-1);

}
else
return binary(a,n,m,mid+1,u);
} else
return €;
}

Sample output:
Enter the size of an array: 5

Enter the elements of the array: 8 9 10 11 12
Enter the number to be search: 8

Write notes on any ten file handling functions with syntax

The fopen() function is used to create a new file or to open an existing file.

Number is found.

8 a)

Opening a File or Creating a File

General Syntax :

*fp = FILE *fopen(const char *filename, const char *mode);

r+ opens a text file in both reading
and writing mode w+ opens 2 text
file in both reading and writing

(10)