undefined

gistfile1.m

#include <stdio.h>
#import <Cocoa/Cocoa.h>

int main() {
  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  NSURL *url = [NSURL URLWithString:@"http://lyricwiki.org/api.php?func=getSong&artist=Protest_the_Hero&song=Bloodmeat&fmt=xml"];
  NSURLRequest *request = [NSURLRequest requestWithURL:url];

  NSURLResponse *response;
  NSError *error;
  NSData *data;

  data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];

  NSLog(@"%s", [data bytes]);

  return 0;
}

// gcc -framework Cocoa -o protest foo.m && ./protest