指针与结构体

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

struct info
{
	int num;
	float score;
};
int main()
{
	struct info info1;
	printf("%d %f",info1.num = 10, info1.score = 29);

	struct info *p1 = &info1;
	printf("\n%d %f",(*p1).num,(*p1).score);
	printf("\n%d %f",p1->num,p1->score);	//完全等价 

	struct info *p2 = (struct info*)malloc(sizeof(struct info)*5);
	int i = 0;
	for(struct info *px = p2; px < p2+5; px++)
	{
		px->num = i;
		px->score = i+3.5;
		i++;
		printf("\n%d,%.2f",px->num,px->score);
	}
	return 0;
}