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Function Vector

This Code create a vector of functions.

   1  
   2  #include <stdio.h>
   3  #include <stdlib.h>
   4  
   5  
   6  typedef struct _clase{
   7          int a;
   8          void(*func[3])(struct _clase*);
   9  } clase;
  10  
  11  void clase_func1 (struct _clase *p){
  12              printf("Funcion 1: %i\n",p->a);
  13  }
  14  
  15  void clase_func2 (struct _clase *p){
  16              printf("Funcion 2: %i\n",p->a);
  17  }
  18  
  19  void clase_func3 (struct _clase *p){
  20              printf("Funcion 3: %i\n",p->a);
  21  }
  22  
  23  void holaMundo(){
  24       printf("Hola Mundo!\n");
  25  }
  26  
  27  typedef void(*func) (void);
  28  
  29  
  30  int main(int argc, char *argv[])
  31  {
  32    func val;
  33    clase c;
  34    
  35    c.func[1]=&clase_func1;
  36    c.func[2]=&clase_func2;
  37    c.func[0]=&clase_func3;
  38        
  39    val=&holaMundo;
  40    val();
  41    c.a=1;
  42    c.func[0](&c);
  43    c.a=2;
  44    c.func[1](&c);
  45    c.a=3;
  46    c.func[2](&c);
  47    system("PAUSE");	
  48    return 0;
  49  }
  50  
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