69 #define ROWS_AVAIL (Rows - p_ch - tabline_height())
3805     topframe->fr_height = Rows - p_ch;  in win_alloc_firstwin()
3873     tp->tp_ch_used = p_ch;  in alloc_tabpage()
4239     if (p_ch != curtab->tp_ch_used)  in enter_tabpage()
4241     p_ch = curtab->tp_ch_used;  in enter_tabpage()
4246     if ((row < cmdline_row) && (cmdline_row <= Rows - p_ch))  in enter_tabpage()
5365     curtab->tp_ch_used = p_ch;  in shell_new_rows()
5637 		room_cmdline = Rows - p_ch - (lastwin->w_winrow  in frame_setheight()
5926 	room = Rows - p_ch;  in win_setminheight()
6036 	    room -= p_ch;  in win_drag_status_line()
6086     p_ch = Rows - cmdline_row;  in win_drag_status_line()
6087     if (p_ch < 1)  in win_drag_status_line()
6088 	p_ch = 1;  in win_drag_status_line()
6089     curtab->tp_ch_used = p_ch;  in win_drag_status_line()
6429     curtab->tp_ch_used = p_ch;  in command_height()
6443 	cmdline_row = Rows - p_ch;  in command_height()
6445 	if (p_ch > old_p_ch)		    // p_ch got bigger  in command_height()
6447 	    while (p_ch > old_p_ch)  in command_height()
6452 		    p_ch = old_p_ch;  in command_height()
6453 		    curtab->tp_ch_used = p_ch;  in command_height()
6454 		    cmdline_row = Rows - p_ch;  in command_height()
6458 		if (h > p_ch - old_p_ch)  in command_height()
6459 		    h = p_ch - old_p_ch;  in command_height()
6481     frame_add_height(frp, (int)(old_p_ch - p_ch));  in command_height()