85     struct line **lines;  member
499   seq->lines = nullptr;  in initseq()
509       seq->lines = xpalloc (seq->lines, &seq->alloc, 1, -1, sizeof *seq->lines);  in getseq()
511         seq->lines[i] = nullptr;  in getseq()
514   if (get_line (fp, &seq->lines[seq->count], whichfile))  in getseq()
538       freeline (seq->lines[i]);  in delseq()
539       free (seq->lines[i]);  in delseq()
541   free (seq->lines);  in delseq()
675       autocount_1 = seq1.count ? seq1.lines[0]->nfields : 0;  in join()
676       autocount_2 = seq2.count ? seq2.lines[0]->nfields : 0;  in join()
681       struct line const *hline1 = seq1.count ? seq1.lines[0] : &uni_blank;  in join()
682       struct line const *hline2 = seq2.count ? seq2.lines[0] : &uni_blank;  in join()
694       diff = keycmp (seq1.lines[0], seq2.lines[0],  in join()
699             prjoin (seq1.lines[0], &uni_blank);  in join()
707             prjoin (&uni_blank, seq2.lines[0]);  in join()
723       while (!keycmp (seq1.lines[seq1.count - 1], seq2.lines[0],  in join()
736       while (!keycmp (seq1.lines[0], seq2.lines[seq2.count - 1],  in join()
745                 prjoin (seq1.lines[i], seq2.lines[j]);  in join()
751           SWAPLINES (seq1.lines[0], seq1.lines[seq1.count - 1]);  in join()
759           SWAPLINES (seq2.lines[0], seq2.lines[seq2.count - 1]);  in join()
780         prjoin (seq1.lines[0], &uni_blank);  in join()
795         prjoin (&uni_blank, seq2.lines[0]);  in join()