What is the size of a boolean variable in C++?

#include int main() { int a = printf("hello"); printf("%d", a); }

How to access and edit data in data file handling using structures

To which type of class can RTTI (Run-Time Type Information) be applied?

extern int s;
int t;
static int u;
main()
{


} 

 Which of s, t and u are available to a function present in another file? 

What is the equivalent of the calloc(m, n) function?

What will be the output of the following C++ code?

#include <iostream>

using namespace std;

enum test 

{

       A = 32, B, C

};

int main()

{

cout << A << B<< C;

return 0;

}

Which of the following statements are not a rule of the variables in C?

What is the purpose of using the static keyword before a function declaration in C?

What will be the output of the following code?

void fn(char * str)

{

      str = (char *) malloc (sizeof(char) * 8);

      sprintf(str, "Hello");

}

int main()

{

     char * str = NULL;

     fn(str);

     printf("str address = %p\n", str);

}