Function syncio::zxio::zxio_xattr_get

pub unsafe extern "C" fn zxio_xattr_get(
    io: *mut zxio_t,
    name: *const u8,
    name_len: usize,
    callback: Option<unsafe extern "C" fn(context: *mut c_void, data: zxio_xattr_data_t) -> zx_status_t>,
    context: *mut c_void
) -> zx_status_t