hello.m

/*
 * hello world in Objective-C + Foundation framework.
 *
 * build:
 *   % cc -Wall -g -framework Foundation hello.m
 */
 
#import <Foundation/Foundation.h>
 
int main(int argc, char *argv[])
{
  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  NSString *str = [NSString stringWithFormat:@"hello world."];
  NSLog(@"%@", str);
  [pool release];
  return 0;
}