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

  #include<stdio

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

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

2) What will be the output of the program?

#include<stdio.h>
#include<stdlib.h>
int main()
 {
     int i=0;
     i++;
     if(i<=5)
     {
         printf("Study2Online");
         exit(1);
         main();
     }
     return 0;
 }

3) What will be the output of the program?

#include<stdio.h>
int fun(int i)
 {
     i++;
     return i;
 }
int main()
 {
     int fun(int);
     int i=3;
     fun(i=fun(fun(i)));
     printf("%d\n", i);
     return 0;
 }

4) Point out the error in the program

#include<stdio.h>
int main()
 {
     int a=10;
     void f();
     a = f();
     printf("%d\n", a);
     return 0;
 }
 void f()
 {
     printf("Hi");
 }

5) Which library function returns number of seconds elapsed beyond a designated base time?