1) The keyword used to transfer control from a function back to the calling function is

2) How many times the program will print "Study 2 Online" ?

  #include<stdio.h>
  int main()
 {
     printf("Study 2 Online");
     main();
     return 0;
 }

3) What will be the output of the program in 16 bit platform (Turbo C under DOS)?

#include<stdio.h>
int main()
 {
     int fun();
     int i;
     i = fun();
     printf("%d\n", i);
     return 0;
 }
 int fun()
 {
     _AX = 1990;
 }

4) What will be the output of the program?

#include<stdio.h>
void fun(int*, int*);
int main()
 {
     int i=5, j=2;
     fun(&i, &j);
     printf("%d, %d", i, j);
     return 0;
 }
 void fun(int *i, int *j)
 {
     *i = *i**i;
     *j = *j**j;
 }

5) What will be the output of the program?

#include<stdio.h>
int i;
int fun();
int main()
 {
     while(i)
     {
         fun();
         main();
     }
     printf("Hello\n");
     return 0;
 }
 int fun()
 {
     printf("Hi");
 }

6) What will be the output of the program?

#include<stdio.h>
int reverse(int);
int main()
{
     int no=5;
     reverse(no);
     return 0;
 }
int reverse(int no)
 {
     if(no == 0)
         return 0;
     else
         printf("%d,", no);
     reverse (no--);
 }

7) What will be the output of the program?

#include<stdio.h>
void fun(int);
typedef int (*pf) (int, int);
int proc(pf, int, int);
int main()
 {
     int a=3;
     fun(a);
     return 0;
 }
void fun(int n)
 {
     if(n > 0)
     {
         fun(--n);
         printf("%d,", n);
         fun(--n);
     }
 }

8) What will be the output of the program?

#include<stdio.h>
int sumdig(int);
int main()
{
     int a, b;
     a = sumdig(123);
     b = sumdig(123);
     printf("%d, %d\n", a, b);
     return 0;
 }
int sumdig(int n)
 {
     int s, d;
     if(n!=0)
     {
         d = n%10;
         n = n/10;
         s = d+sumdig(n);
     }
     else
         return 0;
     return s;
 }

9) What will be the output of the program?

#include<stdio.h>
int main()
 {
     void fun(char*);
     char a[100];
     a[0] = 'A';
 a[1] = 'B';
     a[2] = 'C';
 a[3] = 'D';
     fun(&a[0]);
     return 0;
 }
 void fun(char *a)
 {
     a++;
     printf("%c", *a);
     a++;
     printf("%c", *a);
 }

10) What will be the output of the program?

#include<stdio.h>
int main()
 {
     int fun(int);
     int i = fun(10);
     printf("%d\n", --i);
     return 0;
 }
int fun(int i)
 {
    return (i++);
 }