Function crypto_box_open_detached

pub unsafe extern "C" fn crypto_box_open_detached(
    m: *mut c_uchar,
    c: *const c_uchar,
    mac: *const c_uchar,
    clen: c_ulonglong,
    n: *const c_uchar,
    pk: *const c_uchar,
    sk: *const c_uchar,
) -> c_int