#include <stdio.h>
#include <string.h>

typedef struct {double length, width;} rectStuff;
typedef struct {double base, height;} triStuff;

typedef struct {
	char name[10];
	enum tagField {rectangle, triangle, circle} shapeType;
	union {
		rectStuff rect;
		triStuff tri;
		double radius;
	} stats;
}shape;

void printShape(shape);

int main()
{
  shape s1, s2, s3;
  strcpy(s1.name, "rectangle");
  s1.shapeType = rectangle;
  s1.stats.rect.length = 10;
  s1.stats.rect.width = 20;
  strcpy(s2.name, "triangle");
  s2.shapeType = triangle;
  s2.stats.tri.base = 102;
  s2.stats.tri.height = 450;
  strcpy(s3.name ,"circle");
  s3.stats.radius = 2.5;
/*  printf("%f\n",s3.stats.radius);*/
  printShape(s1);
  printShape(s2);
  printShape(s3);
  
}

void printShape(shape s)
{/*print out the information on a shape */
   printf("Name: %s\n", s.name);
   switch(s.shapeType){
      case rectangle:   
		printf("\tLength:%f\n", s.stats.rect.length);
		printf("\tWidth:%f\n\n", s.stats.rect.width);
	    break;
	 case triangle:   
		printf("\tBase:%f\n", s.stats.tri.base);
		printf("\tHeight:%f\n\n", s.stats.tri.height);
	    break;
	case circle:   
		printf("Radius:%f\n",s.stats.radius);
		break;
	}
}