简单的HTTP请求C未工作

Question

#import <Foundation/Foundation.h> 

main() { 
     NSURL *url = [NSURL URLWithString:@"http://www.google.com/"]; 
     NSURLRequest *request = [[NSURLRequest alloc] initWithURL:url     
      cachePolicy:NSURLRequestReloadIgnoringCacheData 
       timeoutInterval:60]; 

     NSURLResponse *response; 
     NSError *error; 
     NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error]; 
     NSLog(@"Data were download below:\n%@", [[NSString alloc] initWithData:data encoding: NSASCIIStringEncoding]); 
} 

运行可执行文件 - > 数据均低于下载： [空]

为什么？

Answer 1

你试过分配请求和错误吗？

NSURLResponse * response = [[NSURLResponce alloc] init];

NSError * error = [[NSError alloc] init];