IDA Pro收缩结构（Shrink a structure）

Action    name: ShrinkStruct

This command shrinks the current structure by deleting undefined bytes at the cursor location. The cursor must be at an undefined byte. IDA will ask the user the number of bytes to remove.

This command is available when you open a structure window.

以下为中文翻译：

Shrincaststructure

操作名称：ShrinkStruct

此命令通过删除光标位置上未定义的字节来收缩当前结构。光标必须位于未定义的字节处。IDA将询问用户要删除的字节数。当您打开结构窗口时，此命令可用。