1: /* Flags and parameters describing terminal's characteristics.
   2:    Copyright (C) 1985 Richard M. Stallman.
   3: 
   4: This file is part of GNU Emacs.
   5: 
   6: GNU Emacs is distributed in the hope that it will be useful,
   7: but WITHOUT ANY WARRANTY.  No author or distributor
   8: accepts responsibility to anyone for the consequences of using it
   9: or for whether it serves any particular purpose or works at all,
  10: unless he says so in writing.  Refer to the GNU Emacs General Public
  11: License for full details.
  12: 
  13: Everyone is granted permission to copy, modify and redistribute
  14: GNU Emacs, but only under the conditions described in the
  15: GNU Emacs General Public License.   A copy of this license is
  16: supposed to have been given to you along with GNU Emacs so you
  17: can know your rights and responsibilities.  It should be in a
  18: file named COPYING.  Among other things, the copyright notice
  19: and this notice must be preserved on all copies.  */
  20: 
  21: 
  22: extern int baud_rate;       /* Output speed in baud */
  23: extern int screen_width;    /* Number of usable columns */
  24: extern int screen_height;   /* Number of lines */
  25: extern int must_write_spaces;   /* Nonzero means spaces in the text
  26: 				   must actually be output; can't just skip
  27: 				   over some columns to leave them blank.  */
  28: extern int min_padding_speed;   /* Speed below which no padding necessary */
  29: extern int fast_clear_end_of_line; /* Nonzero means terminal has command for this */
  30: 
  31: extern int line_ins_del_ok; /* Terminal can insert and delete lines */
  32: extern int char_ins_del_ok; /* Terminal can insert and delete chars */
  33: extern int scroll_region_ok;    /* Terminal supports setting the scroll window */
  34: extern int memory_below_screen; /* Terminal remembers lines scrolled off bottom */
  35: extern int fast_clear_end_of_line; /* Terminal has a `ce' string */
  36: 
  37: extern int dont_calculate_costs; /* Nonzero means don't bother computing */
  38:                 /* various cost tables; we won't use them.  */
  39: 
  40: /* DCICcost[n] is cost of inserting N characters.
  41:    DCICcost[-n] is cost of deleting N characters. */
  42: 
  43: #define DCICcost (&DC_ICcost[MScreenWidth])
  44: extern int DC_ICcost[1 + 2 * MScreenWidth];
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