PLEASE read the directions carefully . • This program is written in C. • This pr

Question

PLEASE read the directions carefully.

• This program is written in C.

• This program prints “there hi ”

• You must modify this program so that it prints “hi there ”

• IMPORTANT: You may only add code at the “// your code here” section. You may add as many lines as necessary, but NO EXISTING CODE CAN BE MODIFIED (this also means no new functions can be added).   

• IMPORTANT: All printing must be done through the existing printf calls; you may not add your own calls to any output functions (printf, putchar, etc).

• HINT: This assignment can be completed in one line.

#include <stdio.h>
void a();
void b();
void c();
  
int main() {
a();
printf(" ");
return 0;
}

void a() {
b();
printf("hi ");
}

void b() {
c();
printf("there ");
}

void c() {
int x;
// your code here
}

Explanation / Answer

#include <stdio.h>
void a();
void b();
void c();
  
int main() {
a();           //Statement 1.
printf(" ");
return 0;
}

void a() {
b();           //Statement 2.
           //From where ever it has been called...
           //The control first goes to b(), and after printing "there",
           //it will come back here to print "hi"
printf("hi ");  
}

void b() {
c();           //Statement 3.
printf("there ");   //Statment 5.
}

void c() {
int x;
// your code here
x = 1;       //Statement 4.
   //What ever happens here, the control goes back to Statement 5.  
   //So, lets call a() from here.
}
//So, its not possible with just writing a code in function c(), you
//can't get the output "hi there"

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