#import <Foundation/Foundation.h>
@interface Person : NSObject
{
@public
    int age;
    double height;
}
- (void)print;
@end
void test(Person *newP);
void test1(Person *newP);
int main(int argc, const char * argv[])
{
    Person *p = [Person new];
    p->age = 10;
    p->height = 1.5f;

    test(p);
    [p print];
   
    test1(p);
    [p print];
    return 0;
}
@implementation Person
- (void)print
{
    NSLog(@"年龄=%d，身高=%f", age, height);
}
@end
void test(Person *newP)
{
    Person *p2 = [Person new];
    p2->age = 40;
    p2->height = 1.8;
    newP = p2;
   
    newP->age = 30;
}

void test1(Person *newP)
{
    Person *p2 = newP;
    p2->age = 50;
    p2->height = 1.9;
    newP->age = 60;
}
谁能告诉我这道题   在内存中是怎么运行的呢?    最好能附带张图    谢谢!      

#import <Foundation/Foundation.h>
@interface Person : NSObject
{
@public
    int age;
    double height;
}
- (void)print;
@end
void test(Person *newP);
void test1(Person *newP);
int main(int argc, const char * argv[])
{
    Person *p = [Person new];
    p->age = 10;
    p->height = 1.5f;

    test(p);
    [p print];
   
    test1(p);
    [p print];
    return 0;
}
@implementation Person
- (void)print
{
    NSLog(@"年龄=%d，身高=%f", age, height);
}
@end
void test(Person *newP)
{
    Person *p2 = [Person new];
    p2->age = 40;
    p2->height = 1.8;
    newP = p2;
   
    newP->age = 30;
}

void test1(Person *newP)
{
    Person *p2 = newP;
    p2->age = 50;
    p2->height = 1.9;
    newP->age = 60;
}
谁能告诉我这道题   在内存中是怎么运行的呢?    最好能附带张图    谢谢!