573   char *p0, *p1, *buffer0, *buffer1;  in find_identical_ends()  local
601   p0 = buffer0 = (char *) w0;  in find_identical_ends()
633 	  && ((buffer0 + n0 - filevec[0].missing_newline < p0)  in find_identical_ends()
644   while (p0 != buffer0 && (p0[-1] != '\n' || i--))  in find_identical_ends()
654   p0 = buffer0 + n0;  in find_identical_ends()
680       i = horizon_lines + !((buffer0 == p0 || p0[-1] == '\n')  in find_identical_ends()
712       suffix_guess = guess_lines (0, 0, buffer0 + n0 - p0);  in find_identical_ends()
727   p0 = buffer0;  in find_identical_ends()
754   middle_guess = guess_lines (lines, p0 - buffer0, p1 - filevec[1].prefix_end);  in find_identical_ends()
755   suffix_guess = guess_lines (lines, p0 - buffer0, buffer1 + n1 - p1);  in find_identical_ends()
773     linbuf1[i] = linbuf0[i] - buffer0 + buffer1;  in find_identical_ends()