Member Functions

[Raven]

My teacher has introduced me to Member functions. Unfortunately the example he showed me was for C++. I was wondering if there was a similiar funcionatility in C.

If so, can someone show me an example?

example C++

struct test {
    int smile;
    void get_info();
};


int main()
{
   struct test test;

   test.smile = 3;

   smile.get_inf();
   return 0;
}


void smile::smile()
{
  cout<<smile;
}

[Prelude]

You can get the same functionality as member functions with function pointers in C. The function pointer acts exactly like a pointer to a simple variable and all normal rules apply. C++ member functions have a much simpler syntax though

#include <stdio.h>
#include <stdlib.h>

struct Fooby 
{  
  void (*getInfo) ( const int input ); 
} static foo;

static void getInfo ( const int input ) 
{ 
  printf ( "The number is %d\n", input ); 
}

int main ( void )
{
  foo.getInfo = &getInfo;
  foo.getInfo ( 10 );
  return EXIT_SUCCESS;
}

-Prelude