Function CTParagraphStyleGetValueForSpecifier 

pub unsafe extern "C-unwind" fn CTParagraphStyleGetValueForSpecifier(
    paragraph_style: &CTParagraphStyle,
    spec: CTParagraphStyleSpecifier,
    value_buffer_size: usize,
    value_buffer: NonNull<c_void>,
) -> bool

👎Deprecated: renamed to CTParagraphStyle::value_for_specifier

Available on crate feature CTParagraphStyle only.