Function NSInterfaceStyleForKey 

pub unsafe extern "C-unwind" fn NSInterfaceStyleForKey(
    key: Option<&NSString>,
    responder: Option<&NSResponder>,
) -> NSInterfaceStyle

👎Deprecated

Available on crate features NSInterfaceStyle and NSResponder only.

Safety

• key might not allow None.
• responder might not allow None.