415 find_identical_ends (filevec)  in find_identical_ends()  argument
416      struct file_data filevec[];  in find_identical_ends()
427   slurp (&filevec[0]);
428   if (filevec[0].desc != filevec[1].desc)
429     slurp (&filevec[1]);
432       filevec[1].buffer = filevec[0].buffer;
433       filevec[1].bufsize = filevec[0].bufsize;
434       filevec[1].buffered_chars = filevec[0].buffered_chars;
437     prepare_text_end (&filevec[i]);
441   p0 = buffer0 = filevec[0].buffer;
442   p1 = buffer1 = filevec[1].buffer;
444   n0 = filevec[0].buffered_chars;
445   n1 = filevec[1].buffered_chars;
478 	  && (buffer0 + n0 - filevec[0].missing_newline < p0)
480 	     (buffer1 + n1 - filevec[1].missing_newline < p1))
493   filevec[0].prefix_end = p0;
494   filevec[1].prefix_end = p1;
503       || filevec[0].missing_newline == filevec[1].missing_newline)
510       beg0 = filevec[0].prefix_end + (n0 < n1 ? 0 : n0 - n1);
537   filevec[0].suffix_begin = p0;
538   filevec[1].suffix_begin = p1;
560 	  + GUESS_LINES (0, 0, p0 - filevec[0].prefix_end)
575 	 && filevec[0].prefix_end == p0
576 	 && filevec[1].prefix_end == p1))
579       end0 = filevec[0].prefix_end;
594   tem = prefix_count ? filevec[1].suffix_begin - buffer1 : n1;
598        + GUESS_LINES (lines, filevec[1].prefix_end - buffer1, tem)
617   filevec[0].linbuf = linbuf0 + buffered_prefix;
618   filevec[1].linbuf = linbuf1 + buffered_prefix;
619   filevec[0].linbuf_base = filevec[1].linbuf_base = - buffered_prefix;
620   filevec[0].alloc_lines = alloc_lines0 - buffered_prefix;
621   filevec[1].alloc_lines = alloc_lines1 - buffered_prefix;
622   filevec[0].prefix_lines = filevec[1].prefix_lines = lines;
664 read_files (filevec, pretend_binary)  in read_files()  argument
665      struct file_data filevec[];  in read_files()
670   int appears_binary = pretend_binary | sip (&filevec[0], skip_test);
672   if (filevec[0].desc != filevec[1].desc)
673     appears_binary |= sip (&filevec[1], skip_test | appears_binary);
676       filevec[1].buffer = filevec[0].buffer;
677       filevec[1].bufsize = filevec[0].bufsize;
678       filevec[1].buffered_chars = filevec[0].buffered_chars;
683       setmode (filevec[0].desc, O_BINARY);
684       setmode (filevec[1].desc, O_BINARY);
689   find_identical_ends (filevec);
691   equivs_alloc = filevec[0].alloc_lines + filevec[1].alloc_lines + 1;
706     find_and_hash_each_line (&filevec[i]);
708   filevec[0].equiv_max = filevec[1].equiv_max = equivs_index;