oyakata-test.m

#import <Foundation/Foundation.h>

@interface Oyakata : NSObject { int gakkari; } 
@property int gakkari;
@end 

@implementation Oyakata 
@synthesize gakkari;
@end

int main (int argc, const char * argv[]) {
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
    Oyakata* oyakata = [[Oyakata alloc]init];
    ++ oyakata.gakkari;
    [oyakata release];
    [pool drain];
    return 0;
}

Cool!