329 comp_char_differs(int off_from, int off_to)  in comp_char_differs()  argument
335 	if (ScreenLinesC[i][off_from] != ScreenLinesC[i][off_to])  in comp_char_differs()
337 	if (ScreenLinesC[i][off_from] == 0)  in comp_char_differs()
351 char_needs_redraw(int off_from, int off_to, int cols)  in char_needs_redraw()  argument
354 	    && ((ScreenLines[off_from] != ScreenLines[off_to]  in char_needs_redraw()
355 		    || ScreenAttrs[off_from] != ScreenAttrs[off_to])  in char_needs_redraw()
357 		    && MB_BYTE2LEN(ScreenLines[off_from]) > 1  in char_needs_redraw()
358 		    && (enc_dbcs == DBCS_JPNU && ScreenLines[off_from] == 0x8e  in char_needs_redraw()
359 			? ScreenLines2[off_from] != ScreenLines2[off_to]  in char_needs_redraw()
360 			: (cols > 1 && ScreenLines[off_from + 1]  in char_needs_redraw()
363 		    && (ScreenLinesUC[off_from] != ScreenLinesUC[off_to]  in char_needs_redraw()
364 			|| (ScreenLinesUC[off_from] != 0  in char_needs_redraw()
365 			    && comp_char_differs(off_from, off_to))  in char_needs_redraw()
366 			|| ((*mb_off2cells)(off_from, off_from + cols) > 1  in char_needs_redraw()
367 			    && ScreenLines[off_from + 1]  in char_needs_redraw()
439     unsigned	    off_from;  in screen_line()  local
467     off_from = (unsigned)(current_ScreenLine - ScreenLines);  in screen_line()
469     max_off_from = off_from + screen_Columns;  in screen_line()
491 	off_from += col;  in screen_line()
511     redraw_next = char_needs_redraw(off_from, off_to, endcol - col);  in screen_line()
516 	    char_cells = (*mb_off2cells)(off_from, max_off_from);  in screen_line()
521 	redraw_next = force || char_needs_redraw(off_from + CHAR_CELLS,  in screen_line()
561 		    && ScreenAttrs[off_from] != ScreenAttrs[off_to])  in screen_line()
613 		    ScreenLines2[off_to] = ScreenLines2[off_from];  in screen_line()
628 	    ScreenLines[off_to] = ScreenLines[off_from];  in screen_line()
631 		ScreenLinesUC[off_to] = ScreenLinesUC[off_from];  in screen_line()
632 		if (ScreenLinesUC[off_from] != 0)  in screen_line()
637 			ScreenLinesC[i][off_to] = ScreenLinesC[i][off_from];  in screen_line()
641 		ScreenLines[off_to + 1] = ScreenLines[off_from + 1];  in screen_line()
667 	    ScreenAttrs[off_to] = ScreenAttrs[off_from];  in screen_line()
672 		ScreenAttrs[off_to + 1] = ScreenAttrs[off_from];  in screen_line()
698 	off_from += CHAR_CELLS;  in screen_line()
3038     unsigned	off_from = LineOffset[from] + wp->w_wincol;  in linecopy()  local
3040     mch_memmove(ScreenLines + off_to, ScreenLines + off_from,  in linecopy()
3046 	mch_memmove(ScreenLinesUC + off_to, ScreenLinesUC + off_from,  in linecopy()
3049 	    mch_memmove(ScreenLinesC[i] + off_to, ScreenLinesC[i] + off_from,  in linecopy()
3053 	mch_memmove(ScreenLines2 + off_to, ScreenLines2 + off_from,  in linecopy()
3055     mch_memmove(ScreenAttrs + off_to, ScreenAttrs + off_from,  in linecopy()