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

#define INT 0
#define FLOAT 1

void* add(void* a, void* b, char type){
	if(type == INT){
		int *res = (int*)malloc(sizeof(int));
		*res = *(int*)a + *(int*)b;
		return (void*)res;
	} else if(type == FLOAT){
		float *res = (float*)malloc(sizeof(float));
		// We'll do this one differently, more clearly but on more lines
		float *pa = (float*)a;
		float *pb = (float*)b;
		*res = *pa + *pb;
		return (void*)res;
	} else {
		printf("Unsupported type %d!\n", type);
	}
	return 0;
}

void main(){
	int a = 5;
	float b = (float)a;
	printf("%d\n", a);
	printf("%f\n", b);

	float *c = (float*)&a;
	printf("%f\n", *c);

	int *d = (int*)&b;
	printf("%d\n", *d);

	float e = a / 2.0;
	printf("%f\n", e);

	int x = 5, y = 10;
	int *res = add(&x, &y, INT);
	printf("result = %d\n", *res);
	free(res);	

}