pub unsafe extern "C" fn CFAttributedStringGetAttribute(
aStr: CFAttributedStringRef,
loc: CFIndex,
attrName: CFStringRef,
effectiveRange: *mut CFRange,
) -> CFTypeRef
pub unsafe extern "C" fn CFAttributedStringGetAttribute(
aStr: CFAttributedStringRef,
loc: CFIndex,
attrName: CFStringRef,
effectiveRange: *mut CFRange,
) -> CFTypeRef