C | Functions | Question 4

What is the output of this program?

C

#include <stdio.h>
int main()
{
  printf("%d", main);
  return 0;
}

(A)

Address of main function

(B)

Compiler Error

(C)

Runtime Error

(D)

Some random value

Answer: (A)
Explanation:

Explanation: Name of the function is actually a pointer variable to the function and prints the address of the function. Symbol table is implemented like this.

struct
{
   char *name;
   int (*funcptr)();
}
symtab[] = {
   \"func\", func,
   \"anotherfunc\", anotherfunc,
};

Quiz of this Question
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