| 1 | /* Functions related to terminal devices. |
| 2 | Copyright (C) 2005-2013 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Emacs. |
| 5 | |
| 6 | GNU Emacs is free software: you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <config.h> |
| 20 | |
| 21 | #define TERMHOOKS_INLINE EXTERN_INLINE |
| 22 | |
| 23 | #include <stdio.h> |
| 24 | |
| 25 | #include "lisp.h" |
| 26 | #include "frame.h" |
| 27 | #include "termchar.h" |
| 28 | #include "termhooks.h" |
| 29 | #include "charset.h" |
| 30 | #include "coding.h" |
| 31 | #include "keyboard.h" |
| 32 | |
| 33 | /* Chain of all terminals currently in use. */ |
| 34 | struct terminal *terminal_list; |
| 35 | |
| 36 | /* The first unallocated terminal id. */ |
| 37 | static int next_terminal_id; |
| 38 | |
| 39 | /* The initial terminal device, created by initial_term_init. */ |
| 40 | struct terminal *initial_terminal; |
| 41 | |
| 42 | static Lisp_Object Qterminal_live_p; |
| 43 | |
| 44 | static void delete_initial_terminal (struct terminal *); |
| 45 | |
| 46 | /* This setter is used only in this file, so it can be private. */ |
| 47 | static void |
| 48 | tset_param_alist (struct terminal *t, Lisp_Object val) |
| 49 | { |
| 50 | t->param_alist = val; |
| 51 | } |
| 52 | |
| 53 | \f |
| 54 | |
| 55 | void |
| 56 | ring_bell (struct frame *f) |
| 57 | { |
| 58 | if (!NILP (Vring_bell_function)) |
| 59 | { |
| 60 | Lisp_Object function; |
| 61 | |
| 62 | /* Temporarily set the global variable to nil |
| 63 | so that if we get an error, it stays nil |
| 64 | and we don't call it over and over. |
| 65 | |
| 66 | We don't specbind it, because that would carefully |
| 67 | restore the bad value if there's an error |
| 68 | and make the loop of errors happen anyway. */ |
| 69 | |
| 70 | function = Vring_bell_function; |
| 71 | Vring_bell_function = Qnil; |
| 72 | |
| 73 | call0 (function); |
| 74 | |
| 75 | Vring_bell_function = function; |
| 76 | } |
| 77 | else if (FRAME_TERMINAL (f)->ring_bell_hook) |
| 78 | (*FRAME_TERMINAL (f)->ring_bell_hook) (f); |
| 79 | } |
| 80 | |
| 81 | void |
| 82 | update_begin (struct frame *f) |
| 83 | { |
| 84 | if (FRAME_TERMINAL (f)->update_begin_hook) |
| 85 | (*FRAME_TERMINAL (f)->update_begin_hook) (f); |
| 86 | } |
| 87 | |
| 88 | void |
| 89 | update_end (struct frame *f) |
| 90 | { |
| 91 | if (FRAME_TERMINAL (f)->update_end_hook) |
| 92 | (*FRAME_TERMINAL (f)->update_end_hook) (f); |
| 93 | } |
| 94 | |
| 95 | /* Specify how many text lines, from the top of the window, |
| 96 | should be affected by insert-lines and delete-lines operations. |
| 97 | This, and those operations, are used only within an update |
| 98 | that is bounded by calls to update_begin and update_end. */ |
| 99 | |
| 100 | void |
| 101 | set_terminal_window (struct frame *f, int size) |
| 102 | { |
| 103 | if (FRAME_TERMINAL (f)->set_terminal_window_hook) |
| 104 | (*FRAME_TERMINAL (f)->set_terminal_window_hook) (f, size); |
| 105 | } |
| 106 | |
| 107 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
| 108 | frame-relative coordinates. */ |
| 109 | |
| 110 | void |
| 111 | cursor_to (struct frame *f, int vpos, int hpos) |
| 112 | { |
| 113 | if (FRAME_TERMINAL (f)->cursor_to_hook) |
| 114 | (*FRAME_TERMINAL (f)->cursor_to_hook) (f, vpos, hpos); |
| 115 | } |
| 116 | |
| 117 | /* Similar but don't take any account of the wasted characters. */ |
| 118 | |
| 119 | void |
| 120 | raw_cursor_to (struct frame *f, int row, int col) |
| 121 | { |
| 122 | if (FRAME_TERMINAL (f)->raw_cursor_to_hook) |
| 123 | (*FRAME_TERMINAL (f)->raw_cursor_to_hook) (f, row, col); |
| 124 | } |
| 125 | |
| 126 | /* Erase operations */ |
| 127 | |
| 128 | /* Clear from cursor to end of frame. */ |
| 129 | void |
| 130 | clear_to_end (struct frame *f) |
| 131 | { |
| 132 | if (FRAME_TERMINAL (f)->clear_to_end_hook) |
| 133 | (*FRAME_TERMINAL (f)->clear_to_end_hook) (f); |
| 134 | } |
| 135 | |
| 136 | /* Clear entire frame */ |
| 137 | |
| 138 | void |
| 139 | clear_frame (struct frame *f) |
| 140 | { |
| 141 | if (FRAME_TERMINAL (f)->clear_frame_hook) |
| 142 | (*FRAME_TERMINAL (f)->clear_frame_hook) (f); |
| 143 | } |
| 144 | |
| 145 | /* Clear from cursor to end of line. |
| 146 | Assume that the line is already clear starting at column first_unused_hpos. |
| 147 | |
| 148 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ |
| 149 | |
| 150 | void |
| 151 | clear_end_of_line (struct frame *f, int first_unused_hpos) |
| 152 | { |
| 153 | if (FRAME_TERMINAL (f)->clear_end_of_line_hook) |
| 154 | (*FRAME_TERMINAL (f)->clear_end_of_line_hook) (f, first_unused_hpos); |
| 155 | } |
| 156 | |
| 157 | /* Output LEN glyphs starting at STRING at the nominal cursor position. |
| 158 | Advance the nominal cursor over the text. */ |
| 159 | |
| 160 | void |
| 161 | write_glyphs (struct frame *f, struct glyph *string, int len) |
| 162 | { |
| 163 | if (FRAME_TERMINAL (f)->write_glyphs_hook) |
| 164 | (*FRAME_TERMINAL (f)->write_glyphs_hook) (f, string, len); |
| 165 | } |
| 166 | |
| 167 | /* Insert LEN glyphs from START at the nominal cursor position. |
| 168 | |
| 169 | If start is zero, insert blanks instead of a string at start */ |
| 170 | |
| 171 | void |
| 172 | insert_glyphs (struct frame *f, struct glyph *start, int len) |
| 173 | { |
| 174 | if (len <= 0) |
| 175 | return; |
| 176 | |
| 177 | if (FRAME_TERMINAL (f)->insert_glyphs_hook) |
| 178 | (*FRAME_TERMINAL (f)->insert_glyphs_hook) (f, start, len); |
| 179 | } |
| 180 | |
| 181 | /* Delete N glyphs at the nominal cursor position. */ |
| 182 | |
| 183 | void |
| 184 | delete_glyphs (struct frame *f, int n) |
| 185 | { |
| 186 | if (FRAME_TERMINAL (f)->delete_glyphs_hook) |
| 187 | (*FRAME_TERMINAL (f)->delete_glyphs_hook) (f, n); |
| 188 | } |
| 189 | |
| 190 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ |
| 191 | |
| 192 | void |
| 193 | ins_del_lines (struct frame *f, int vpos, int n) |
| 194 | { |
| 195 | if (FRAME_TERMINAL (f)->ins_del_lines_hook) |
| 196 | (*FRAME_TERMINAL (f)->ins_del_lines_hook) (f, vpos, n); |
| 197 | } |
| 198 | |
| 199 | |
| 200 | \f |
| 201 | |
| 202 | /* Return the terminal object specified by TERMINAL. TERMINAL may be |
| 203 | a terminal object, a frame, or nil for the terminal device of the |
| 204 | current frame. If THROW is false, return NULL for failure, |
| 205 | otherwise throw an error. */ |
| 206 | |
| 207 | struct terminal * |
| 208 | get_terminal (Lisp_Object terminal, bool throw) |
| 209 | { |
| 210 | struct terminal *result = NULL; |
| 211 | |
| 212 | if (NILP (terminal)) |
| 213 | terminal = selected_frame; |
| 214 | |
| 215 | if (TERMINALP (terminal)) |
| 216 | result = XTERMINAL (terminal); |
| 217 | else if (FRAMEP (terminal)) |
| 218 | result = FRAME_TERMINAL (XFRAME (terminal)); |
| 219 | |
| 220 | if (result && !result->name) |
| 221 | result = NULL; |
| 222 | |
| 223 | if (result == NULL && throw) |
| 224 | wrong_type_argument (Qterminal_live_p, terminal); |
| 225 | |
| 226 | return result; |
| 227 | } |
| 228 | |
| 229 | \f |
| 230 | |
| 231 | /* Create a new terminal object and add it to the terminal list. */ |
| 232 | |
| 233 | struct terminal * |
| 234 | create_terminal (void) |
| 235 | { |
| 236 | struct terminal *terminal = allocate_terminal (); |
| 237 | Lisp_Object terminal_coding, keyboard_coding; |
| 238 | |
| 239 | terminal->next_terminal = terminal_list; |
| 240 | terminal_list = terminal; |
| 241 | |
| 242 | terminal->id = next_terminal_id++; |
| 243 | |
| 244 | terminal->keyboard_coding = xmalloc (sizeof (struct coding_system)); |
| 245 | terminal->terminal_coding = xmalloc (sizeof (struct coding_system)); |
| 246 | |
| 247 | /* If default coding systems for the terminal and the keyboard are |
| 248 | already defined, use them in preference to the defaults. This is |
| 249 | needed when Emacs runs in daemon mode. */ |
| 250 | keyboard_coding = |
| 251 | find_symbol_value (intern ("default-keyboard-coding-system")); |
| 252 | if (NILP (keyboard_coding) |
| 253 | || EQ (keyboard_coding, Qunbound) |
| 254 | || NILP (Fcoding_system_p (keyboard_coding))) |
| 255 | keyboard_coding = Qno_conversion; |
| 256 | terminal_coding = |
| 257 | find_symbol_value (intern ("default-terminal-coding-system")); |
| 258 | if (NILP (terminal_coding) |
| 259 | || EQ (terminal_coding, Qunbound) |
| 260 | || NILP (Fcoding_system_p (terminal_coding))) |
| 261 | terminal_coding = Qundecided; |
| 262 | |
| 263 | setup_coding_system (keyboard_coding, terminal->keyboard_coding); |
| 264 | setup_coding_system (terminal_coding, terminal->terminal_coding); |
| 265 | |
| 266 | return terminal; |
| 267 | } |
| 268 | |
| 269 | /* Low-level function to close all frames on a terminal, remove it |
| 270 | from the terminal list and free its memory. */ |
| 271 | |
| 272 | void |
| 273 | delete_terminal (struct terminal *terminal) |
| 274 | { |
| 275 | struct terminal **tp; |
| 276 | Lisp_Object tail, frame; |
| 277 | |
| 278 | /* Protect against recursive calls. delete_frame calls the |
| 279 | delete_terminal_hook when we delete our last frame. */ |
| 280 | if (!terminal->name) |
| 281 | return; |
| 282 | xfree (terminal->name); |
| 283 | terminal->name = NULL; |
| 284 | |
| 285 | /* Check for live frames that are still on this terminal. */ |
| 286 | FOR_EACH_FRAME (tail, frame) |
| 287 | { |
| 288 | struct frame *f = XFRAME (frame); |
| 289 | if (FRAME_LIVE_P (f) && f->terminal == terminal) |
| 290 | { |
| 291 | /* Pass Qnoelisp rather than Qt. */ |
| 292 | delete_frame (frame, Qnoelisp); |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | for (tp = &terminal_list; *tp != terminal; tp = &(*tp)->next_terminal) |
| 297 | if (! *tp) |
| 298 | emacs_abort (); |
| 299 | *tp = terminal->next_terminal; |
| 300 | |
| 301 | xfree (terminal->keyboard_coding); |
| 302 | terminal->keyboard_coding = NULL; |
| 303 | xfree (terminal->terminal_coding); |
| 304 | terminal->terminal_coding = NULL; |
| 305 | |
| 306 | if (terminal->kboard && --terminal->kboard->reference_count == 0) |
| 307 | { |
| 308 | delete_kboard (terminal->kboard); |
| 309 | terminal->kboard = NULL; |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | Lisp_Object Qrun_hook_with_args; |
| 314 | static Lisp_Object Qdelete_terminal_functions; |
| 315 | DEFUN ("delete-terminal", Fdelete_terminal, Sdelete_terminal, 0, 2, 0, |
| 316 | doc: /* Delete TERMINAL by deleting all frames on it and closing the terminal. |
| 317 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
| 318 | selected frame's terminal). |
| 319 | |
| 320 | Normally, you may not delete a display if all other displays are suspended, |
| 321 | but if the second argument FORCE is non-nil, you may do so. */) |
| 322 | (Lisp_Object terminal, Lisp_Object force) |
| 323 | { |
| 324 | struct terminal *t = get_terminal (terminal, 0); |
| 325 | |
| 326 | if (!t) |
| 327 | return Qnil; |
| 328 | |
| 329 | if (NILP (force)) |
| 330 | { |
| 331 | struct terminal *p = terminal_list; |
| 332 | while (p && (p == t || !TERMINAL_ACTIVE_P (p))) |
| 333 | p = p->next_terminal; |
| 334 | |
| 335 | if (!p) |
| 336 | error ("Attempt to delete the sole active display terminal"); |
| 337 | } |
| 338 | |
| 339 | if (NILP (Vrun_hooks)) |
| 340 | ; |
| 341 | else if (EQ (force, Qnoelisp)) |
| 342 | pending_funcalls |
| 343 | = Fcons (list3 (Qrun_hook_with_args, |
| 344 | Qdelete_terminal_functions, terminal), |
| 345 | pending_funcalls); |
| 346 | else |
| 347 | safe_call2 (Qrun_hook_with_args, Qdelete_terminal_functions, terminal); |
| 348 | |
| 349 | if (t->delete_terminal_hook) |
| 350 | (*t->delete_terminal_hook) (t); |
| 351 | else |
| 352 | delete_terminal (t); |
| 353 | |
| 354 | return Qnil; |
| 355 | } |
| 356 | |
| 357 | \f |
| 358 | DEFUN ("frame-terminal", Fframe_terminal, Sframe_terminal, 0, 1, 0, |
| 359 | doc: /* Return the terminal that FRAME is displayed on. |
| 360 | If FRAME is nil, the selected frame is used. |
| 361 | |
| 362 | The terminal device is represented by its integer identifier. */) |
| 363 | (Lisp_Object frame) |
| 364 | { |
| 365 | struct terminal *t = FRAME_TERMINAL (decode_live_frame (frame)); |
| 366 | |
| 367 | if (!t) |
| 368 | return Qnil; |
| 369 | else |
| 370 | { |
| 371 | Lisp_Object terminal; |
| 372 | XSETTERMINAL (terminal, t); |
| 373 | return terminal; |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | DEFUN ("terminal-live-p", Fterminal_live_p, Sterminal_live_p, 1, 1, 0, |
| 378 | doc: /* Return non-nil if OBJECT is a terminal which has not been deleted. |
| 379 | Value is nil if OBJECT is not a live display terminal. |
| 380 | If object is a live display terminal, the return value indicates what |
| 381 | sort of output terminal it uses. See the documentation of `framep' for |
| 382 | possible return values. */) |
| 383 | (Lisp_Object object) |
| 384 | { |
| 385 | struct terminal *t; |
| 386 | |
| 387 | t = get_terminal (object, 0); |
| 388 | |
| 389 | if (!t) |
| 390 | return Qnil; |
| 391 | |
| 392 | switch (t->type) |
| 393 | { |
| 394 | case output_initial: /* The initial frame is like a termcap frame. */ |
| 395 | case output_termcap: |
| 396 | return Qt; |
| 397 | case output_x_window: |
| 398 | return Qx; |
| 399 | case output_w32: |
| 400 | return Qw32; |
| 401 | case output_msdos_raw: |
| 402 | return Qpc; |
| 403 | case output_ns: |
| 404 | return Qns; |
| 405 | default: |
| 406 | emacs_abort (); |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | DEFUN ("terminal-list", Fterminal_list, Sterminal_list, 0, 0, 0, |
| 411 | doc: /* Return a list of all terminal devices. */) |
| 412 | (void) |
| 413 | { |
| 414 | Lisp_Object terminal, terminals = Qnil; |
| 415 | struct terminal *t; |
| 416 | |
| 417 | for (t = terminal_list; t; t = t->next_terminal) |
| 418 | { |
| 419 | XSETTERMINAL (terminal, t); |
| 420 | terminals = Fcons (terminal, terminals); |
| 421 | } |
| 422 | |
| 423 | return terminals; |
| 424 | } |
| 425 | |
| 426 | DEFUN ("terminal-name", Fterminal_name, Sterminal_name, 0, 1, 0, |
| 427 | doc: /* Return the name of the terminal device TERMINAL. |
| 428 | It is not guaranteed that the returned value is unique among opened devices. |
| 429 | |
| 430 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
| 431 | selected frame's terminal). */) |
| 432 | (Lisp_Object terminal) |
| 433 | { |
| 434 | struct terminal *t |
| 435 | = TERMINALP (terminal) ? XTERMINAL (terminal) : get_terminal (terminal, 1); |
| 436 | |
| 437 | return t->name ? build_string (t->name) : Qnil; |
| 438 | } |
| 439 | |
| 440 | |
| 441 | \f |
| 442 | /* Set the value of terminal parameter PARAMETER in terminal D to VALUE. |
| 443 | Return the previous value. */ |
| 444 | |
| 445 | static Lisp_Object |
| 446 | store_terminal_param (struct terminal *t, Lisp_Object parameter, Lisp_Object value) |
| 447 | { |
| 448 | Lisp_Object old_alist_elt = Fassq (parameter, t->param_alist); |
| 449 | if (EQ (old_alist_elt, Qnil)) |
| 450 | { |
| 451 | tset_param_alist (t, Fcons (Fcons (parameter, value), t->param_alist)); |
| 452 | return Qnil; |
| 453 | } |
| 454 | else |
| 455 | { |
| 456 | Lisp_Object result = Fcdr (old_alist_elt); |
| 457 | Fsetcdr (old_alist_elt, value); |
| 458 | return result; |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | |
| 463 | DEFUN ("terminal-parameters", Fterminal_parameters, Sterminal_parameters, 0, 1, 0, |
| 464 | doc: /* Return the parameter-alist of terminal TERMINAL. |
| 465 | The value is a list of elements of the form (PARM . VALUE), where PARM |
| 466 | is a symbol. |
| 467 | |
| 468 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
| 469 | selected frame's terminal). */) |
| 470 | (Lisp_Object terminal) |
| 471 | { |
| 472 | struct terminal *t |
| 473 | = TERMINALP (terminal) ? XTERMINAL (terminal) : get_terminal (terminal, 1); |
| 474 | return Fcopy_alist (t->param_alist); |
| 475 | } |
| 476 | |
| 477 | DEFUN ("terminal-parameter", Fterminal_parameter, Sterminal_parameter, 2, 2, 0, |
| 478 | doc: /* Return TERMINAL's value for parameter PARAMETER. |
| 479 | TERMINAL can be a terminal object, a frame, or nil (meaning the |
| 480 | selected frame's terminal). */) |
| 481 | (Lisp_Object terminal, Lisp_Object parameter) |
| 482 | { |
| 483 | Lisp_Object value; |
| 484 | struct terminal *t |
| 485 | = TERMINALP (terminal) ? XTERMINAL (terminal) : get_terminal (terminal, 1); |
| 486 | CHECK_SYMBOL (parameter); |
| 487 | value = Fcdr (Fassq (parameter, t->param_alist)); |
| 488 | return value; |
| 489 | } |
| 490 | |
| 491 | DEFUN ("set-terminal-parameter", Fset_terminal_parameter, |
| 492 | Sset_terminal_parameter, 3, 3, 0, |
| 493 | doc: /* Set TERMINAL's value for parameter PARAMETER to VALUE. |
| 494 | Return the previous value of PARAMETER. |
| 495 | |
| 496 | TERMINAL can be a terminal object, a frame or nil (meaning the |
| 497 | selected frame's terminal). */) |
| 498 | (Lisp_Object terminal, Lisp_Object parameter, Lisp_Object value) |
| 499 | { |
| 500 | struct terminal *t |
| 501 | = TERMINALP (terminal) ? XTERMINAL (terminal) : get_terminal (terminal, 1); |
| 502 | return store_terminal_param (t, parameter, value); |
| 503 | } |
| 504 | |
| 505 | \f |
| 506 | |
| 507 | /* Create the bootstrap display terminal for the initial frame. |
| 508 | Returns a terminal of type output_initial. */ |
| 509 | |
| 510 | struct terminal * |
| 511 | init_initial_terminal (void) |
| 512 | { |
| 513 | if (initialized || terminal_list || tty_list) |
| 514 | emacs_abort (); |
| 515 | |
| 516 | initial_terminal = create_terminal (); |
| 517 | initial_terminal->type = output_initial; |
| 518 | initial_terminal->name = xstrdup ("initial_terminal"); |
| 519 | initial_terminal->kboard = initial_kboard; |
| 520 | initial_terminal->delete_terminal_hook = &delete_initial_terminal; |
| 521 | /* All other hooks are NULL. */ |
| 522 | |
| 523 | return initial_terminal; |
| 524 | } |
| 525 | |
| 526 | /* Deletes the bootstrap terminal device. |
| 527 | Called through delete_terminal_hook. */ |
| 528 | |
| 529 | static void |
| 530 | delete_initial_terminal (struct terminal *terminal) |
| 531 | { |
| 532 | if (terminal != initial_terminal) |
| 533 | emacs_abort (); |
| 534 | |
| 535 | delete_terminal (terminal); |
| 536 | initial_terminal = NULL; |
| 537 | } |
| 538 | |
| 539 | void |
| 540 | syms_of_terminal (void) |
| 541 | { |
| 542 | |
| 543 | DEFVAR_LISP ("ring-bell-function", Vring_bell_function, |
| 544 | doc: /* Non-nil means call this function to ring the bell. |
| 545 | The function should accept no arguments. */); |
| 546 | Vring_bell_function = Qnil; |
| 547 | |
| 548 | DEFVAR_LISP ("delete-terminal-functions", Vdelete_terminal_functions, |
| 549 | doc: /* Special hook run when a terminal is deleted. |
| 550 | Each function is called with argument, the terminal. |
| 551 | This may be called just before actually deleting the terminal, |
| 552 | or some time later. */); |
| 553 | Vdelete_terminal_functions = Qnil; |
| 554 | |
| 555 | DEFSYM (Qterminal_live_p, "terminal-live-p"); |
| 556 | DEFSYM (Qdelete_terminal_functions, "delete-terminal-functions"); |
| 557 | DEFSYM (Qrun_hook_with_args, "run-hook-with-args"); |
| 558 | |
| 559 | defsubr (&Sdelete_terminal); |
| 560 | defsubr (&Sframe_terminal); |
| 561 | defsubr (&Sterminal_live_p); |
| 562 | defsubr (&Sterminal_list); |
| 563 | defsubr (&Sterminal_name); |
| 564 | defsubr (&Sterminal_parameters); |
| 565 | defsubr (&Sterminal_parameter); |
| 566 | defsubr (&Sset_terminal_parameter); |
| 567 | |
| 568 | Fprovide (intern_c_string ("multi-tty"), Qnil); |
| 569 | } |