pn8_write_fidvid
rv = pn8_write_fidvid(cfid, (val > 0) ? val : 0, 1ULL, &status);
rv = pn8_write_fidvid(cfid, cvid - 1, 1ULL, &status);
rv = pn8_write_fidvid(val, cvid,
rv = pn8_write_fidvid(fid, cvid,
rv = pn8_write_fidvid(cfid, vid, 1ULL, &status);