The BIO library is a little complicated to fully explain here, so I will introduce bits and pieces of it as it becomes necessary.
在这里对bio库进行全面说明有点麻烦,所以我将根据需要一点一点地介绍它。
Here, the first line creates a new BIO object with the specified hostname and port, formatted in the fashion shown.
在这里,第一行代码使用指定的主机名和端口创建了一个新的BIO对象,并以所示风格对该对象进行格式化。
Setting up the BIO object here is a little different from setting it up for a client connection.
此处对 BIO 对象的设置与客户机连接使用的 BIO 设置稍有不同。
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