Objective-C + Foundation Framework な Hello, World! を作る． GC 使わない場合 #import <Foundation/NSString.h> #import <Foundation/NSAutoreleasePool.h> #import <stdio.h> int main(int argc, char **argv) { NSAutorelesePool* pool = [[NSAutoreleasePool alloc] init]; NSString* str = [[NSString alloc] initWith</stdio.h></foundation/nsautoreleasepool.h></foundation/nsstring.h>…