Function leptonica_sys::convertToNUpPixa

pub unsafe extern "C" fn convertToNUpPixa(
    dir: *const c_char,
    substr: *const c_char,
    nx: l_int32,
    ny: l_int32,
    tw: l_int32,
    spacing: l_int32,
    border: l_int32,
    fontsize: l_int32
) -> *mut PIXA