#import <Foundation/Foundation.h>
@interface Person :NSObject{
@public
char *_name;
int _age;
}
-(void) say:(NSString *) words;
@end
@implementation Person
-(void) say:(NSString *) words{
NSLog(@"%@",words);
}
void changeAge(Person *person){
person ->_age = 10;
[person say:@"hello tom"];
}
@end
int main(int argc, const char * argv[])
{
@autoreleasepool {
Person *person = [Person new];
person->_age = 1;
changeAge(person);
NSLog(@"age=%d",person->_age);
}
return 0;
}
