pub unsafe extern "C" fn CFAttributedStringCreateMutableCopy(
alloc: CFAllocatorRef,
maxLength: CFIndex,
aStr: CFAttributedStringRef,
) -> CFMutableAttributedStringRefpub unsafe extern "C" fn CFAttributedStringCreateMutableCopy(
alloc: CFAllocatorRef,
maxLength: CFIndex,
aStr: CFAttributedStringRef,
) -> CFMutableAttributedStringRef