qfedu-c-level/day12/d20_2.c

24 lines
417 B
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// 结构体存在堆区,结构体的成员也存在堆区
struct POS
{
int *x;
int *y;
};
int main()
{
struct POS *p1 = malloc(sizeof(struct POS));
p1->x = (int *)malloc(sizeof(int));
p1->y = (int *)malloc(sizeof(int));
*(p1->x) = 20;
*(p1->y) = 30;
printf("point1 x=%d, y=%d\n", *(p1->x), *((*p1).y));
return 0;
}