#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
 
main()
{
   unsigned char c;
   
   while (!kbhit())
      printf("You haven't pressed a key.\n");
      
   c=getch();
   printf("Tecla: %3d (decimal) - %X (hexa) - %c (ASCII)\n",c,c,c);
   if (c == 224)
   {
	    c=getch();
   		printf("Tecla: %3d (decimal) - %X (hexa) - %c (ASCII)\n",c,c,c);
   }
   
   printf("\n");
   system("pause");
   return 0;
}