Function CFURLCreateWithFileSystemPathRelativeToBase 

pub extern "C-unwind" fn CFURLCreateWithFileSystemPathRelativeToBase(
    allocator: Option<&CFAllocator>,
    file_path: Option<&CFString>,
    path_style: CFURLPathStyle,
    is_directory: bool,
    base_url: Option<&CFURL>,
) -> Option<CFRetained<CFURL>>

👎Deprecated: renamed to CFURL::with_file_system_path_relative_to_base

Available on crate feature CFURL only.