source: trunk/essentials/sys-libs/ncurses/include/curses.h.in@ 3326

Last change on this file since 3326 was 2621, checked in by bird, 20 years ago

GNU ncurses 5.5
File size: 46.7 KB
Line 
1/****************************************************************************
2 * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. *
3 * *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
22 * *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
29/****************************************************************************
30 * Author: Zeyd M. Ben-Halim <[email protected]> 1992,1995 *
31 * and: Eric S. Raymond <[email protected]> *
32 * and: Thomas E. Dickey 1996-on *
33 ****************************************************************************/
34
35/* $Id: curses.h.in,v 1.157 2005/07/02 16:58:28 tom Exp $ */
36
37#ifndef __NCURSES_H
38#define __NCURSES_H
39
40#define CURSES 1
41#define CURSES_H 1
42
43/* This should be defined for the enhanced functionality to be visible.
44 * However, some of the wide-character (enhanced) functionality is missing.
45 * So we do not define it (yet).
46#define _XOPEN_CURSES 1
47 */
48
49/* These are defined only in curses.h, and are used for conditional compiles */
50#define NCURSES_VERSION_MAJOR @NCURSES_MAJOR@
51#define NCURSES_VERSION_MINOR @NCURSES_MINOR@
52#define NCURSES_VERSION_PATCH @NCURSES_PATCH@
53
54/* This is defined in more than one ncurses header, for identification */
55#undef NCURSES_VERSION
56#define NCURSES_VERSION "@NCURSES_MAJOR@.@NCURSES_MINOR@"
57
58/*
59 * Identify the mouse encoding version.
60 */
61#define NCURSES_MOUSE_VERSION @NCURSES_MOUSE_VERSION@
62
63/*
64 * Definitions to facilitate DLL's.
65 */
66#include <ncurses_dll.h>
67
68/*
69 * User-definable tweak to disable the include of <stdbool.h>.
70 */
71#ifndef NCURSES_ENABLE_STDBOOL_H
72#define NCURSES_ENABLE_STDBOOL_H @cf_cv_header_stdbool_h@
73#endif
74
75/*
76 * NCURSES_ATTR_T is used to quiet compiler warnings when building ncurses
77 * configured using --disable-macros.
78 */
79#ifdef NCURSES_NOMACROS
80#define NCURSES_ATTR_T attr_t
81#endif
82
83#ifndef NCURSES_ATTR_T
84#define NCURSES_ATTR_T int
85#endif
86
87/*
88 * Expands to 'const' if ncurses is configured using --enable-const. Note that
89 * doing so makes it incompatible with other implementations of X/Open Curses.
90 */
91#undef NCURSES_CONST
92#define NCURSES_CONST @NCURSES_CONST@
93
94/*
95 * The internal type used for color values
96 */
97#undef NCURSES_COLOR_T
98#define NCURSES_COLOR_T short
99
100/*
101 * The internal type used for window dimensions.
102 */
103#undef NCURSES_SIZE_T
104#define NCURSES_SIZE_T short
105
106/*
107 * NCURSES_CH_T is used in building the library, but not used otherwise in
108 * this header file, since that would make the normal/wide-character versions
109 * of the header incompatible.
110 */
111#undef NCURSES_CH_T
112#define NCURSES_CH_T @NCURSES_CH_T@
113
114#if @cf_cv_enable_lp64@ && defined(_LP64)
115typedef unsigned chtype;
116typedef unsigned mmask_t;
117#else
118typedef unsigned @cf_cv_typeof_chtype@ chtype;
119typedef unsigned @cf_cv_typeof_mmask_t@ mmask_t;
120#endif
121
122#include <stdio.h>
123#include <unctrl.h>
124#include <stdarg.h> /* we need va_list */
125#ifdef _XOPEN_SOURCE_EXTENDED
126#include <stddef.h> /* we want wchar_t */
127#endif /* _XOPEN_SOURCE_EXTENDED */
128
129/* XSI and SVr4 specify that curses implements 'bool'. However, C++ may also
130 * implement it. If so, we must use the C++ compiler's type to avoid conflict
131 * with other interfaces.
132 *
133 * A further complication is that <stdbool.h> may declare 'bool' to be a
134 * different type, such as an enum which is not necessarily compatible with
135 * C++. If we have <stdbool.h>, make 'bool' a macro, so users may #undef it.
136 * Otherwise, let it remain a typedef to avoid conflicts with other #define's.
137 * In either case, make a typedef for NCURSES_BOOL which can be used if needed
138 * from either C or C++.
139 */
140
141#undef TRUE
142#define TRUE 1
143
144#undef FALSE
145#define FALSE 0
146
147typedef @cf_cv_type_of_bool@ NCURSES_BOOL;
148
149#if @USE_CXX_BOOL@ /* __cplusplus, etc. */
150
151/* use the C++ compiler's bool type */
152#define NCURSES_BOOL bool
153
154#else /* c89, c99, etc. */
155
156#if NCURSES_ENABLE_STDBOOL_H
157#include <stdbool.h>
158/* use whatever the C compiler decides bool really is */
159#define NCURSES_BOOL bool
160#else
161/* there is no predefined bool - use our own */
162#undef bool
163#define bool NCURSES_BOOL
164#endif
165
166#endif /* !__cplusplus, etc. */
167
168#ifdef __cplusplus
169extern "C" {
170#define NCURSES_CAST(type,value) static_cast<type>(value)
171#else
172#define NCURSES_CAST(type,value) (type)(value)
173#endif
174
175/*
176 * XSI attributes. In the ncurses implementation, they are identical to the
177 * A_ attributes.
178 */
179#define WA_ATTRIBUTES A_ATTRIBUTES
180#define WA_NORMAL A_NORMAL
181#define WA_STANDOUT A_STANDOUT
182#define WA_UNDERLINE A_UNDERLINE
183#define WA_REVERSE A_REVERSE
184#define WA_BLINK A_BLINK
185#define WA_DIM A_DIM
186#define WA_BOLD A_BOLD
187#define WA_ALTCHARSET A_ALTCHARSET
188#define WA_INVIS A_INVIS
189#define WA_PROTECT A_PROTECT
190#define WA_HORIZONTAL A_HORIZONTAL
191#define WA_LEFT A_LEFT
192#define WA_LOW A_LOW
193#define WA_RIGHT A_RIGHT
194#define WA_TOP A_TOP
195#define WA_VERTICAL A_VERTICAL
196
197/* colors */
198extern NCURSES_EXPORT_VAR(int) COLORS;
199extern NCURSES_EXPORT_VAR(int) COLOR_PAIRS;
200
201#define COLOR_BLACK 0
202#define COLOR_RED 1
203#define COLOR_GREEN 2
204#define COLOR_YELLOW 3
205#define COLOR_BLUE 4
206#define COLOR_MAGENTA 5
207#define COLOR_CYAN 6
208#define COLOR_WHITE 7
209
210/* line graphics */
211
212#if @BROKEN_LINKER@
213extern NCURSES_EXPORT_VAR(chtype*) _nc_acs_map(void);
214#define acs_map (_nc_acs_map())
215#else
216extern NCURSES_EXPORT_VAR(chtype) acs_map[];
217#endif
218
219#define NCURSES_ACS(c) (acs_map[NCURSES_CAST(unsigned char,c)])
220
221/* VT100 symbols begin here */
222#define ACS_ULCORNER NCURSES_ACS('l') /* upper left corner */
223#define ACS_LLCORNER NCURSES_ACS('m') /* lower left corner */
224#define ACS_URCORNER NCURSES_ACS('k') /* upper right corner */
225#define ACS_LRCORNER NCURSES_ACS('j') /* lower right corner */
226#define ACS_LTEE NCURSES_ACS('t') /* tee pointing right */
227#define ACS_RTEE NCURSES_ACS('u') /* tee pointing left */
228#define ACS_BTEE NCURSES_ACS('v') /* tee pointing up */
229#define ACS_TTEE NCURSES_ACS('w') /* tee pointing down */
230#define ACS_HLINE NCURSES_ACS('q') /* horizontal line */
231#define ACS_VLINE NCURSES_ACS('x') /* vertical line */
232#define ACS_PLUS NCURSES_ACS('n') /* large plus or crossover */
233#define ACS_S1 NCURSES_ACS('o') /* scan line 1 */
234#define ACS_S9 NCURSES_ACS('s') /* scan line 9 */
235#define ACS_DIAMOND NCURSES_ACS('`') /* diamond */
236#define ACS_CKBOARD NCURSES_ACS('a') /* checker board (stipple) */
237#define ACS_DEGREE NCURSES_ACS('f') /* degree symbol */
238#define ACS_PLMINUS NCURSES_ACS('g') /* plus/minus */
239#define ACS_BULLET NCURSES_ACS('~') /* bullet */
240/* Teletype 5410v1 symbols begin here */
241#define ACS_LARROW NCURSES_ACS(',') /* arrow pointing left */
242#define ACS_RARROW NCURSES_ACS('+') /* arrow pointing right */
243#define ACS_DARROW NCURSES_ACS('.') /* arrow pointing down */
244#define ACS_UARROW NCURSES_ACS('-') /* arrow pointing up */
245#define ACS_BOARD NCURSES_ACS('h') /* board of squares */
246#define ACS_LANTERN NCURSES_ACS('i') /* lantern symbol */
247#define ACS_BLOCK NCURSES_ACS('0') /* solid square block */
248/*
249 * These aren't documented, but a lot of System Vs have them anyway
250 * (you can spot pprryyzz{{||}} in a lot of AT&T terminfo strings).
251 * The ACS_names may not match AT&T's, our source didn't know them.
252 */
253#define ACS_S3 NCURSES_ACS('p') /* scan line 3 */
254#define ACS_S7 NCURSES_ACS('r') /* scan line 7 */
255#define ACS_LEQUAL NCURSES_ACS('y') /* less/equal */
256#define ACS_GEQUAL NCURSES_ACS('z') /* greater/equal */
257#define ACS_PI NCURSES_ACS('{') /* Pi */
258#define ACS_NEQUAL NCURSES_ACS('|') /* not equal */
259#define ACS_STERLING NCURSES_ACS('}') /* UK pound sign */
260
261/*
262 * Line drawing ACS names are of the form ACS_trbl, where t is the top, r
263 * is the right, b is the bottom, and l is the left. t, r, b, and l might
264 * be B (blank), S (single), D (double), or T (thick). The subset defined
265 * here only uses B and S.
266 */
267#define ACS_BSSB ACS_ULCORNER
268#define ACS_SSBB ACS_LLCORNER
269#define ACS_BBSS ACS_URCORNER
270#define ACS_SBBS ACS_LRCORNER
271#define ACS_SBSS ACS_RTEE
272#define ACS_SSSB ACS_LTEE
273#define ACS_SSBS ACS_BTEE
274#define ACS_BSSS ACS_TTEE
275#define ACS_BSBS ACS_HLINE
276#define ACS_SBSB ACS_VLINE
277#define ACS_SSSS ACS_PLUS
278
279#undef ERR
280#define ERR (-1)
281
282#undef OK
283#define OK (0)
284
285/* values for the _flags member */
286#define _SUBWIN 0x01 /* is this a sub-window? */
287#define _ENDLINE 0x02 /* is the window flush right? */
288#define _FULLWIN 0x04 /* is the window full-screen? */
289#define _SCROLLWIN 0x08 /* bottom edge is at screen bottom? */
290#define _ISPAD 0x10 /* is this window a pad? */
291#define _HASMOVED 0x20 /* has cursor moved since last refresh? */
292#define _WRAPPED 0x40 /* cursor was just wrappped */
293
294/*
295 * this value is used in the firstchar and lastchar fields to mark
296 * unchanged lines
297 */
298#define _NOCHANGE -1
299
300/*
301 * this value is used in the oldindex field to mark lines created by insertions
302 * and scrolls.
303 */
304#define _NEWINDEX -1
305
306typedef struct screen SCREEN;
307typedef struct _win_st WINDOW;
308
309typedef chtype attr_t; /* ...must be at least as wide as chtype */
310
311#ifdef _XOPEN_SOURCE_EXTENDED
312
313#if @NCURSES_LIBUTF8@
314#ifdef mblen /* libutf8.h defines it w/o undefining first */
315#undef mblen
316#endif
317#include <libutf8.h>
318#endif
319
320#if @NEED_WCHAR_H@
321#include <wchar.h> /* ...to get mbstate_t, etc. */
322#endif
323
324#if @NCURSES_WCHAR_T@
325typedef unsigned short wchar_t@NCURSES_OK_WCHAR_T@;
326#endif
327
328#if @NCURSES_WINT_T@
329typedef unsigned int wint_t@NCURSES_OK_WCHAR_T@;
330#endif
331
332#define CCHARW_MAX 5
333typedef struct
334{
335 attr_t attr;
336 wchar_t chars[CCHARW_MAX];
337#if @NCURSES_EXT_COLORS@
338 int ext_color; /* color pair, must be more than 16-bits */
339#endif
340}
341cchar_t;
342
343#endif /* _XOPEN_SOURCE_EXTENDED */
344
345struct ldat;
346
347struct _win_st
348{
349 NCURSES_SIZE_T _cury, _curx; /* current cursor position */
350
351 /* window location and size */
352 NCURSES_SIZE_T _maxy, _maxx; /* maximums of x and y, NOT window size */
353 NCURSES_SIZE_T _begy, _begx; /* screen coords of upper-left-hand corner */
354
355 short _flags; /* window state flags */
356
357 /* attribute tracking */
358 attr_t _attrs; /* current attribute for non-space character */
359 chtype _bkgd; /* current background char/attribute pair */
360
361 /* option values set by user */
362 bool _notimeout; /* no time out on function-key entry? */
363 bool _clear; /* consider all data in the window invalid? */
364 bool _leaveok; /* OK to not reset cursor on exit? */
365 bool _scroll; /* OK to scroll this window? */
366 bool _idlok; /* OK to use insert/delete line? */
367 bool _idcok; /* OK to use insert/delete char? */
368 bool _immed; /* window in immed mode? (not yet used) */
369 bool _sync; /* window in sync mode? */
370 bool _use_keypad; /* process function keys into KEY_ symbols? */
371 int _delay; /* 0 = nodelay, <0 = blocking, >0 = delay */
372
373 struct ldat *_line; /* the actual line data */
374
375 /* global screen state */
376 NCURSES_SIZE_T _regtop; /* top line of scrolling region */
377 NCURSES_SIZE_T _regbottom; /* bottom line of scrolling region */
378
379 /* these are used only if this is a sub-window */
380 int _parx; /* x coordinate of this window in parent */
381 int _pary; /* y coordinate of this window in parent */
382 WINDOW *_parent; /* pointer to parent if a sub-window */
383
384 /* these are used only if this is a pad */
385 struct pdat
386 {
387 NCURSES_SIZE_T _pad_y, _pad_x;
388 NCURSES_SIZE_T _pad_top, _pad_left;
389 NCURSES_SIZE_T _pad_bottom, _pad_right;
390 } _pad;
391
392 NCURSES_SIZE_T _yoffset; /* real begy is _begy + _yoffset */
393
394#ifdef _XOPEN_SOURCE_EXTENDED
395 cchar_t _bkgrnd; /* current background char/attribute pair */
396#if @NCURSES_EXT_COLORS@
397 int _color; /* current color-pair for non-space character */
398#endif
399#endif
400};
401
402extern NCURSES_EXPORT_VAR(WINDOW *) stdscr;
403extern NCURSES_EXPORT_VAR(WINDOW *) curscr;
404extern NCURSES_EXPORT_VAR(WINDOW *) newscr;
405
406extern NCURSES_EXPORT_VAR(int) LINES;
407extern NCURSES_EXPORT_VAR(int) COLS;
408extern NCURSES_EXPORT_VAR(int) TABSIZE;
409
410/*
411 * This global was an undocumented feature under AIX curses.
412 */
413extern NCURSES_EXPORT_VAR(int) ESCDELAY; /* ESC expire time in milliseconds */
414
415extern NCURSES_EXPORT_VAR(char) ttytype[]; /* needed for backward compatibility */
416
417/*
418 * These functions are extensions - not in XSI Curses.
419 */
420#if @NCURSES_EXT_FUNCS@
421extern NCURSES_EXPORT(bool) is_term_resized (int, int);
422extern NCURSES_EXPORT(char *) keybound (int, int);
423extern NCURSES_EXPORT(const char *) curses_version (void);
424extern NCURSES_EXPORT(int) assume_default_colors (int, int);
425extern NCURSES_EXPORT(int) define_key (const char *, int);
426extern NCURSES_EXPORT(int) key_defined (const char *);
427extern NCURSES_EXPORT(int) keyok (int, bool);
428extern NCURSES_EXPORT(int) resize_term (int, int);
429extern NCURSES_EXPORT(int) resizeterm (int, int);
430extern NCURSES_EXPORT(int) use_default_colors (void);
431extern NCURSES_EXPORT(int) use_extended_names (bool);
432extern NCURSES_EXPORT(int) wresize (WINDOW *, int, int);
433#else
434#define curses_version() NCURSES_VERSION
435#endif
436
437/*
438 * This is an extension to support events...
439 */
440#if @NCURSES_EXT_FUNCS@
441#ifdef NCURSES_WGETCH_EVENTS
442#if !defined(__BEOS__) /* Fix _nc_timed_wait() on BEOS... */
443# define NCURSES_EVENT_VERSION 1
444#endif /* !defined(__BEOS__) */
445
446/*
447 * Bits to set in _nc_event.data.flags
448 */
449# define _NC_EVENT_TIMEOUT_MSEC 1
450# define _NC_EVENT_FILE 2
451# define _NC_EVENT_FILE_READABLE 2
452# if 0 /* Not supported yet... */
453# define _NC_EVENT_FILE_WRITABLE 4
454# define _NC_EVENT_FILE_EXCEPTION 8
455# endif
456
457typedef struct
458{
459 int type;
460 union
461 {
462 long timeout_msec; /* _NC_EVENT_TIMEOUT_MSEC */
463 struct
464 {
465 unsigned int flags;
466 int fd;
467 unsigned int result;
468 } fev; /* _NC_EVENT_FILE */
469 } data;
470} _nc_event;
471
472typedef struct
473{
474 int count;
475 int result_flags; /* _NC_EVENT_TIMEOUT_MSEC or _NC_EVENT_FILE_READABLE */
476 _nc_event *events[1];
477} _nc_eventlist;
478
479extern NCURSES_EXPORT(int) wgetch_events(WINDOW *, _nc_eventlist *); /* experimental */
480extern NCURSES_EXPORT(int) wgetnstr_events(WINDOW *,char *,int,_nc_eventlist *);/* experimental */
481
482#endif /* NCURSES_WGETCH_EVENTS */
483#endif /* NCURSES_EXT_FUNCS */
484
485/*
486 * GCC (and some other compilers) define '__attribute__'; we're using this
487 * macro to alert the compiler to flag inconsistencies in printf/scanf-like
488 * function calls. Just in case '__attribute__' isn't defined, make a dummy.
489 * Old versions of G++ do not accept it anyway, at least not consistently with
490 * GCC.
491 */
492#if !(defined(__GNUC__) || defined(__GNUG__) || defined(__attribute__))
493#define __attribute__(p) /* nothing */
494#endif
495
496/*
497 * We cannot define these in ncurses_cfg.h, since they require parameters to be
498 * passed (that's non-portable).
499 */
500#ifndef GCC_PRINTFLIKE
501#if defined(GCC_PRINTF) && !defined(printf)
502#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
503#else
504#define GCC_PRINTFLIKE(fmt,var) /*nothing*/
505#endif
506#endif
507
508#ifndef GCC_SCANFLIKE
509#if defined(GCC_SCANF) && !defined(scanf)
510#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
511#else
512#define GCC_SCANFLIKE(fmt,var) /*nothing*/
513#endif
514#endif
515
516#ifndef GCC_NORETURN
517#define GCC_NORETURN /* nothing */
518#endif
519
520#ifndef GCC_UNUSED
521#define GCC_UNUSED /* nothing */
522#endif
523
524/*
525 * Function prototypes. This is the complete XSI Curses list of required
526 * functions. Those marked `generated' will have sources generated from the
527 * macro definitions later in this file, in order to satisfy XPG4.2
528 * requirements.
529 */
530
531extern NCURSES_EXPORT(int) addch (const chtype); /* generated */
532extern NCURSES_EXPORT(int) addchnstr (const chtype *, int); /* generated */
533extern NCURSES_EXPORT(int) addchstr (const chtype *); /* generated */
534extern NCURSES_EXPORT(int) addnstr (const char *, int); /* generated */
535extern NCURSES_EXPORT(int) addstr (const char *); /* generated */
536extern NCURSES_EXPORT(int) attroff (NCURSES_ATTR_T); /* generated */
537extern NCURSES_EXPORT(int) attron (NCURSES_ATTR_T); /* generated */
538extern NCURSES_EXPORT(int) attrset (NCURSES_ATTR_T); /* generated */
539extern NCURSES_EXPORT(int) attr_get (attr_t *, short *, void *); /* generated */
540extern NCURSES_EXPORT(int) attr_off (attr_t, void *); /* generated */
541extern NCURSES_EXPORT(int) attr_on (attr_t, void *); /* generated */
542extern NCURSES_EXPORT(int) attr_set (attr_t, short, void *); /* generated */
543extern NCURSES_EXPORT(int) baudrate (void); /* implemented */
544extern NCURSES_EXPORT(int) beep (void); /* implemented */
545extern NCURSES_EXPORT(int) bkgd (chtype); /* generated */
546extern NCURSES_EXPORT(void) bkgdset (chtype); /* generated */
547extern NCURSES_EXPORT(int) border (chtype,chtype,chtype,chtype,chtype,chtype,chtype,chtype); /* generated */
548extern NCURSES_EXPORT(int) box (WINDOW *, chtype, chtype); /* generated */
549extern NCURSES_EXPORT(bool) can_change_color (void); /* implemented */
550extern NCURSES_EXPORT(int) cbreak (void); /* implemented */
551extern NCURSES_EXPORT(int) chgat (int, attr_t, short, const void *); /* generated */
552extern NCURSES_EXPORT(int) clear (void); /* generated */
553extern NCURSES_EXPORT(int) clearok (WINDOW *,bool); /* implemented */
554extern NCURSES_EXPORT(int) clrtobot (void); /* generated */
555extern NCURSES_EXPORT(int) clrtoeol (void); /* generated */
556extern NCURSES_EXPORT(int) color_content (short,short*,short*,short*); /* implemented */
557extern NCURSES_EXPORT(int) color_set (short,void*); /* generated */
558extern NCURSES_EXPORT(int) COLOR_PAIR (int); /* generated */
559extern NCURSES_EXPORT(int) copywin (const WINDOW*,WINDOW*,int,int,int,int,int,int,int); /* implemented */
560extern NCURSES_EXPORT(int) curs_set (int); /* implemented */
561extern NCURSES_EXPORT(int) def_prog_mode (void); /* implemented */
562extern NCURSES_EXPORT(int) def_shell_mode (void); /* implemented */
563extern NCURSES_EXPORT(int) delay_output (int); /* implemented */
564extern NCURSES_EXPORT(int) delch (void); /* generated */
565extern NCURSES_EXPORT(void) delscreen (SCREEN *); /* implemented */
566extern NCURSES_EXPORT(int) delwin (WINDOW *); /* implemented */
567extern NCURSES_EXPORT(int) deleteln (void); /* generated */
568extern NCURSES_EXPORT(WINDOW *) derwin (WINDOW *,int,int,int,int); /* implemented */
569extern NCURSES_EXPORT(int) doupdate (void); /* implemented */
570extern NCURSES_EXPORT(WINDOW *) dupwin (WINDOW *); /* implemented */
571extern NCURSES_EXPORT(int) echo (void); /* implemented */
572extern NCURSES_EXPORT(int) echochar (const chtype); /* generated */
573extern NCURSES_EXPORT(int) erase (void); /* generated */
574extern NCURSES_EXPORT(int) endwin (void); /* implemented */
575extern NCURSES_EXPORT(char) erasechar (void); /* implemented */
576extern NCURSES_EXPORT(void) filter (void); /* implemented */