413 find_identical_ends (filevec)  in find_identical_ends()  argument
414      struct file_data filevec[];  in find_identical_ends()
425   slurp (&filevec[0]);
426   if (filevec[0].desc != filevec[1].desc)
427     slurp (&filevec[1]);
430       filevec[1].buffer = filevec[0].buffer;
431       filevec[1].bufsize = filevec[0].bufsize;
432       filevec[1].buffered_chars = filevec[0].buffered_chars;
435     prepare_text_end (&filevec[i]);
439   p0 = buffer0 = filevec[0].buffer;
440   p1 = buffer1 = filevec[1].buffer;
442   n0 = filevec[0].buffered_chars;
443   n1 = filevec[1].buffered_chars;
476 	  && (buffer0 + n0 - filevec[0].missing_newline < p0)
478 	     (buffer1 + n1 - filevec[1].missing_newline < p1))
491   filevec[0].prefix_end = p0;
492   filevec[1].prefix_end = p1;
501       || filevec[0].missing_newline == filevec[1].missing_newline)
508       beg0 = filevec[0].prefix_end + (n0 < n1 ? 0 : n0 - n1);
534   filevec[0].suffix_begin = p0;
535   filevec[1].suffix_begin = p1;
557 	  + GUESS_LINES (0, 0, p0 - filevec[0].prefix_end)
572 	 && filevec[0].prefix_end == p0
573 	 && filevec[1].prefix_end == p1))
576       end0 = filevec[0].prefix_end;
591   tem = prefix_count ? filevec[1].suffix_begin - buffer1 : n1;
595        + GUESS_LINES (lines, filevec[1].prefix_end - buffer1, tem)
614   filevec[0].linbuf = linbuf0 + buffered_prefix;
615   filevec[1].linbuf = linbuf1 + buffered_prefix;
616   filevec[0].linbuf_base = filevec[1].linbuf_base = - buffered_prefix;
617   filevec[0].alloc_lines = alloc_lines0 - buffered_prefix;
618   filevec[1].alloc_lines = alloc_lines1 - buffered_prefix;
619   filevec[0].prefix_lines = filevec[1].prefix_lines = lines;
661 read_files (filevec, pretend_binary)  in read_files()  argument
662      struct file_data filevec[];  in read_files()
667   int appears_binary = pretend_binary | sip (&filevec[0], skip_test);
669   if (filevec[0].desc != filevec[1].desc)
670     appears_binary |= sip (&filevec[1], skip_test | appears_binary);
673       filevec[1].buffer = filevec[0].buffer;
674       filevec[1].bufsize = filevec[0].bufsize;
675       filevec[1].buffered_chars = filevec[0].buffered_chars;
680       setmode (filevec[0].desc, O_BINARY);
681       setmode (filevec[1].desc, O_BINARY);
686   find_identical_ends (filevec);
688   equivs_alloc = filevec[0].alloc_lines + filevec[1].alloc_lines + 1;
703     find_and_hash_each_line (&filevec[i]);
705   filevec[0].equiv_max = filevec[1].equiv_max = equivs_index;