is a symbolic representation of a union.
declares a union without specifying the contents.
does not give the union a name.
更多信息和选项更多信息SymbolicC expressions are inert; they evaluate to themselves, staying in an unevaluated form.SymbolicC expressions can be converted into a C string with ToCCodeString.The members of the union can be specified with lists or with CDeclare.
To use SymbolicC, you first need to load the package:
This creates a union:
You can use CDeclare to declare the members of the union:
You can drop the name for the union by using a specification of None:
You can use an incomplete type with a typedef:
You can nest a union inside a struct: