下面是三种C语言的错误处理，你喜欢哪一种？还是都不喜欢？

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/* 问题: 不充分，而且很容易出错，前面成功分配的资源，后面出错需要帮助释放 */ int foo( int bar) {          int return_value = 0;          int doing_okay = 1;          doing_okay = do_something( bar );          if (doing_okay)          {                  doing_okay = init_stuff();          }          if (doing_okay)          {                  doing_okay = prepare_stuff();          }          if (doing_okay)          {                  return_value = do_the_thing( bar );          }          return return_value; }

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/* 问题： 使用goto语句是很不好的 */ int foo( int bar) {          if (!do_something( bar )) {                  goto error;          }          if (!init_stuff( bar )) {                  goto error;          }          if (!prepare_stuff( bar )) {                  goto error;          }          return do_the_thing( bar ); error:          return 0; }

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/* 问题：太多的if嵌套了，无法阅读 */ int foo( int bar) {          int return_value = 0;          if (do_something( bar )) {                  if (init_stuff( bar )) {                          if (prepare_stuff( bar )) {                                  return_value = do_the_thing( bar );                           }                  }          }          return return_value; }