结构体指针

#include <stdio.h>

struct People{
int age;

};

int main(int argc, const char * argv[])
{

struct People *p = malloc(sizeof(struct People));
p->age = 10;

struct People *p1 = p;
p->age = 12;//p1的值也会改变，如果不是指针类型则不会有影响

printf("age:%d\n", p1->age);

free(p);//释放内存
system("pause");
return 0;
}