The crt and standard c library are available to both mixed and pure code Crt和标准c + +库可用于混合代码和纯代码。
2.
Function : function signature contains type type ; c objects are unsafe to pass between pure code and mixed or native “ function ” :函数签名包含类型type ;在纯代码与混合代码或本机代码之间传递c + +对象是不安全的。