Function IconRefToIconFamily 

pub unsafe extern "C-unwind" fn IconRefToIconFamily(
    the_icon_ref: IconRef,
    which_icons: IconSelectorValue,
    icon_family: *mut IconFamilyHandle,
) -> i16

Available on crate features Icons and objc2-core-services only.

Safety

• the_icon_ref must be a valid pointer.
• icon_family must be a valid pointer.