此浏览器不再受支持。
请升级到 Microsoft Edge 以使用最新的功能、安全更新和技术支持。
autodeclarator**;**
The auto keyword is the storage-class specifier indicating that the variable has local (automatic) extent. It is the default storage-class specifier for block-scoped variable declarations.
For related information, see extern, register, and static.