目录写在前面volatile和内联汇编的volatile的选择写在前面 版本信息：linux操作系统，x86架构，Linux操作系统下GCC9.3.1版本。GCC 9.3.0手册。
I\'ve just followed this example from Wordpress and I have successfully added an extra Meta Box in Post interface, and the value is stored in DB.
加载中,请稍侯......