Function GetIconRefFromFolder 

pub unsafe extern "C-unwind" fn GetIconRefFromFolder(
    v_ref_num: i16,
    parent_folder_id: i32,
    folder_id: i32,
    attributes: i8,
    access_privileges: i8,
    the_icon_ref: *mut IconRef,
) -> i16

👎Deprecated: Use -[NSWorkspace iconForFile:] instead.

Available on crate feature IconsCore only.

Safety

the_icon_ref must be a valid pointer.