dup_tbuf
if (dup_tbuf(&tic->flags, &rtic->flags) == -1)
if (dup_tbuf(&tic->nums, &rtic->nums) == -1)
if (dup_tbuf(&tic->strs, &rtic->strs) == -1)
if (dup_tbuf(&tic->extras, &rtic->extras) == -1)