Function mupdf_sys::fz_pdfocr_band_writer_set_progress

pub unsafe extern "C" fn fz_pdfocr_band_writer_set_progress(
    ctx: *mut fz_context,
    writer: *mut fz_band_writer,
    progress_fn: fz_pdfocr_progress_fn,
    progress_arg: *mut c_void
)

Set the progress callback for a pdfocr bandwriter.