ffs_do_descs
ret = ffs_do_descs(counts[i], data, len,
fs_len = ffs_do_descs(ffs->fs_descs_count,
hs_len = ffs_do_descs(ffs->hs_descs_count,
ss_len = ffs_do_descs(ffs->ss_descs_count,
ret = ffs_do_descs(ffs->fs_descs_count +