xref: /src/lib/libcurses/curses.h

/*	$NetBSD: curses.h,v 1.30 2000/04/11 13:57:09 blymn Exp $	*/

/*
 * Copyright (c) 1981, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)curses.h	8.5 (Berkeley) 4/29/95
 */

#ifndef _CURSES_H_
#define	_CURSES_H_

#include <sys/types.h>
#include <sys/cdefs.h>
#include <wchar.h>

#include <stdio.h>
#include <termcap.h>

/*
 * attr_t must be the same type as wchar_t (see <wchar.h>) to avoid padding
 * in __LDATA
 */
typedef wchar_t	chtype;
typedef wchar_t	attr_t;
typedef	char	bool;

#ifndef TRUE
#define	TRUE	(/*CONSTCOND*/1)
#endif
#ifndef FALSE
#define	FALSE	(/*CONSTCOND*/0)
#endif

/*
 * The following #defines and #includes are present for backward
 * compatibility only.  They should not be used in future code.
 *
 * START BACKWARD COMPATIBILITY ONLY.
 */
#ifndef _CURSES_PRIVATE

#define	_puts(s)	tputs(s, 0, __cputchar)
#define	_putchar(c)	__cputchar(c)

/* Old-style terminal modes access. */
#define	baudrate()	(cfgetospeed(&__baset))
#define	crmode()	cbreak()
#define	erasechar()	(__baset.c_cc[VERASE])
#define	killchar()	(__baset.c_cc[VKILL])
#define	nocrmode()	nocbreak()
#define	ospeed		(cfgetospeed(&__baset))
#endif /* _CURSES_PRIVATE */

extern char	 GT;			/* Gtty indicates tabs. */
extern char	 NONL;			/* Term can't hack LF doing a CR. */
extern char	 UPPERCASE;		/* Terminal is uppercase only. */

extern int	 My_term;		/* Use Def_term regardless. */
extern char	*Def_term;		/* Default terminal type. */

/* Termcap capabilities. */
extern char	AM, BS, CA, DA, EO, HC, IN, MI, MS, NC, NS, OS,
		PC, UL, XB, XN, XT, XS, XX;
extern char	*AC, *AE, *AL, *AS, *BC, *BL, *BT, *CD, *CE, *CL, *CM,
		*CR, *CS, *DC, *DL, *DM, *DO, *Ea, *ED, *EI, *K0, *K1,
		*K2, *K3, *K4, *K5, *K6, *K7, *K8, *K9, *HO, *IC, *IM,
		*IP, *KD, *KE, *KH, *KL, *KR, *KS, *KU, *LL, *MA, *MB,
		*MD, *ME, *MH, *MK, *MP, *MR, *ND, *NL, *RC, *SC, *SE,
		*SF, *SO, *SR, *TA, *TE, *TI, *UC, *UE, *UP, *US, *VB,
		*VS, *VE, *al, *dl, *sf, *sr, *AL_PARM, *DL_PARM, *UP_PARM,
		*DOWN_PARM, *LEFT_PARM, *RIGHT_PARM;

/* END BACKWARD COMPATIBILITY ONLY. */

/* symbols for values returned by getch in keypad mode */
#define    KEY_MIN        0x101    /* minimum extended key value */
#define    KEY_BREAK      0x101    /* break key */
#define    KEY_DOWN       0x102    /* down arrow */
#define    KEY_UP         0x103    /* up arrow */
#define    KEY_LEFT       0x104    /* left arrow */
#define    KEY_RIGHT      0x105    /* right arrow*/
#define    KEY_HOME       0x106    /* home key */
#define    KEY_BACKSPACE  0x107    /* Backspace */

/* First function key (block of 64 follow) */
#define    KEY_F0         0x108
/* Function defining other function key values*/
#define    KEY_F(n)       (KEY_F0+(n))

#define    KEY_DL         0x148    /* Delete Line */
#define    KEY_IL         0x149    /* Insert Line*/
#define    KEY_DC         0x14A    /* Delete Character */
#define    KEY_IC         0x14B    /* Insert Character */
#define    KEY_EIC        0x14C    /* Exit Insert Char mode */
#define    KEY_CLEAR      0x14D    /* Clear screen */
#define    KEY_EOS        0x14E    /* Clear to end of screen */
#define    KEY_EOL        0x14F    /* Clear to end of line */
#define    KEY_SF         0x150    /* Scroll one line forward */
#define    KEY_SR         0x151    /* Scroll one line back */
#define    KEY_NPAGE      0x152    /* Next Page */
#define    KEY_PPAGE      0x153    /* Prev Page */
#define    KEY_STAB       0x154    /* Set Tab */
#define    KEY_CTAB       0x155    /* Clear Tab */
#define    KEY_CATAB      0x156    /* Clear All Tabs */
#define    KEY_ENTER      0x157    /* Enter or Send */
#define    KEY_SRESET     0x158    /* Soft Reset */
#define    KEY_RESET      0x159    /* Hard Reset */
#define    KEY_PRINT      0x15A    /* Print */
#define    KEY_LL         0x15B    /* Home Down */

/*
 * "Keypad" keys arranged like this:
 *
 *  A1   up  A3
 * left  B2 right
 *  C1  down C3
 *
 */
#define    KEY_A1         0x15C    /* Keypad upper left */
#define    KEY_A3         0x15D    /* Keypad upper right */
#define    KEY_B2         0x15E    /* Keypad centre key */
#define    KEY_C1         0x15F    /* Keypad lower left */
#define    KEY_C3         0x160    /* Keypad lower right */

#define    KEY_BTAB       0x161    /* Back Tab */
#define    KEY_BEG        0x162    /* Begin key */
#define    KEY_CANCEL     0x163    /* Cancel key */
#define    KEY_CLOSE      0x164    /* Close Key */
#define    KEY_COMMAND    0x165    /* Command Key */
#define    KEY_COPY       0x166    /* Copy key */
#define    KEY_CREATE     0x167    /* Create key */
#define    KEY_END        0x168    /* End key */
#define    KEY_EXIT       0x169    /* Exit key */
#define    KEY_FIND       0x16A    /* Find key */
#define    KEY_HELP       0x16B    /* Help key */
#define    KEY_MARK       0x16C    /* Mark key */
#define    KEY_MESSAGE    0x16D    /* Message key */
#define    KEY_MOVE       0x16E    /* Move key */
#define    KEY_NEXT       0x16F    /* Next Object key */
#define    KEY_OPEN       0x170    /* Open key */
#define    KEY_OPTIONS    0x171    /* Options key */
#define    KEY_PREVIOUS   0x172    /* Previous Object key */
#define    KEY_REDO       0x173    /* Redo key */
#define    KEY_REFERENCE  0x174    /* Ref Key */
#define    KEY_REFRESH    0x175    /* Refresh key */
#define    KEY_REPLACE    0x176    /* Replace key */
#define    KEY_RESTART    0x177    /* Restart key */
#define    KEY_RESUME     0x178    /* Resume key */
#define    KEY_SAVE       0x179    /* Save key */
#define    KEY_SBEG       0x17A    /* Shift begin key */
#define    KEY_SCANCEL    0x17B    /* Shift Cancel key */
#define    KEY_SCOMMAND   0x17C    /* Shift Command key */
#define    KEY_SCOPY      0x17D    /* Shift Copy key */
#define    KEY_SCREATE    0x17E    /* Shift Create key */
#define    KEY_SDC        0x17F    /* Shift Delete Character */
#define    KEY_SDL        0x180    /* Shift Delete Line */
#define    KEY_SELECT     0x181    /* Select key */
#define    KEY_SEND       0x182    /* Send key */
#define    KEY_SEOL       0x183    /* Shift Clear Line key */
#define    KEY_SEXIT      0x184    /* Shift Exit key */
#define    KEY_SFIND      0x185    /* Shift Find key */
#define    KEY_SHELP      0x186    /* Shift Help key */
#define    KEY_SHOME      0x187    /* Shift Home key */
#define    KEY_SIC        0x188    /* Shift Input key */
#define    KEY_SLEFT      0x189    /* Shift Left Arrow key */
#define    KEY_SMESSAGE   0x18A    /* Shift Message key */
#define    KEY_SMOVE      0x18B    /* Shift Move key */
#define    KEY_SNEXT      0x18C    /* Shift Next key */
#define    KEY_SOPTIONS   0x18D    /* Shift Options key */
#define    KEY_SPREVIOUS  0x18E    /* Shift Previous key */
#define    KEY_SPRINT     0x18F    /* Shift Print key */
#define    KEY_SREDO      0x190    /* Shift Redo key */
#define    KEY_SREPLACE   0x191    /* Shift Replace key */
#define    KEY_SRIGHT     0x192    /* Shift Right Arrow key */
#define    KEY_SRESUME    0x193    /* Shift Resume key */
#define    KEY_SSAVE      0x194    /* Shift Save key */
#define    KEY_SSUSPEND   0x195    /* Shift Suspend key */
#define    KEY_SUNDO      0x196    /* Shift Undo key */
#define    KEY_SUSPEND    0x197    /* Suspend key */
#define    KEY_UNDO       0x198    /* Undo key  */
#define    KEY_MAX        0x198    /* maximum extended key value */

/* 8-bit ASCII characters. */
#define	unctrl(c)		__unctrl[((unsigned)c) & 0xff]
#define	unctrllen(ch)		__unctrllen[((unsigned)ch) & 0xff]

extern char	 *__unctrl[256];	/* Control strings. */
extern char	 __unctrllen[256];	/* Control strings length. */

/*
 * A window an array of __LINE structures pointed to by the 'lines' pointer.
 * A line is an array of __LDATA structures pointed to by the 'line' pointer.
 *
 */

typedef struct __ldata __LDATA;
typedef struct __line  __LINE;
typedef struct __window  WINDOW;

/*
 * Attribute definitions
 */
#define A_NORMAL	__NORMAL
#define	A_STANDOUT	__STANDOUT
#define	A_UNDERLINE	__UNDERSCORE
#define	A_REVERSE	__REVERSE
#define	A_BLINK		__BLINK
#define	A_DIM		__DIM
#define	A_BOLD		__BOLD
#define	A_BLANK		__BLANK
#define	A_PROTECT	__PROTECT
#define A_ALTCHARSET	__ALTCHARSET
#define A_ATTRIBUTES	__ATTRIBUTES
#define A_CHARTEXT	__CHARTEXT
#define A_COLOR		__COLOR

/*
 * Alternate character set definitions
 */

#define NUM_ACS	128

extern chtype _acs_char[NUM_ACS];

#define ACS_RARROW	_acs_char['+']
#define ACS_LARROW	_acs_char[',']
#define ACS_UARROW	_acs_char['-']
#define ACS_DARROW	_acs_char['.']
#define ACS_BLOCK	_acs_char['0']
#define ACS_DIAMOND	_acs_char['`']
#define ACS_CKBOARD	_acs_char['a']
#define ACS_DEGREE	_acs_char['f']
#define ACS_PLMINUS	_acs_char['g']
#define ACS_BOARD	_acs_char['h']
#define ACS_LANTERN	_acs_char['i']
#define ACS_LRCORNER	_acs_char['j']
#define ACS_URCORNER	_acs_char['k']
#define ACS_ULCORNER	_acs_char['l']
#define ACS_LLCORNER	_acs_char['m']
#define ACS_PLUS	_acs_char['n']
#define ACS_HLINE	_acs_char['q']
#define ACS_S1		_acs_char['o']
#define ACS_S9		_acs_char['s']
#define ACS_LTEE	_acs_char['t']
#define ACS_RTEE	_acs_char['u']
#define ACS_BTEE	_acs_char['v']
#define ACS_TTEE	_acs_char['w']
#define ACS_VLINE	_acs_char['x']
#define ACS_BULLET	_acs_char['~']

/* System V compatability */
#define ACS_SBBS	ACS_LRCORNER
#define ACS_BBSS	ACS_URCORNER
#define	ACS_BSSB	ACS_ULCORNER
#define ACS_SSBB	ACS_LLCORNER
#define ACS_SSSS	ACS_PLUS
#define ACS_BSBS	ACS_HLINE
#define ACS_SSSB	ACS_LTEE
#define ACS_SBSS	ACS_RTEE
#define	ACS_SSBS	ACS_BTEE
#define	ACS_BSSS	ACS_TTEE
#define	ACS_SBSB	ACS_VLINE
#define _acs_map	_acs_char

/*
 * Color definitions
 */

#define COLOR_BLACK	0x00
#define COLOR_WHITE	0x01
#define COLOR_RED	0x02
#define COLOR_GREEN	0x03
#define COLOR_BLUE	0x04
#define COLOR_CYAN	0x05
#define COLOR_MAGENTA	0x06
#define COLOR_YELLOW	0x07


/* Curses external declarations. */
extern WINDOW	*curscr;		/* Current screen. */
extern WINDOW	*stdscr;		/* Standard screen. */

extern struct termios __orig_termios;	/* Terminal state before curses */
extern struct termios __baset;		/* Our base terminal state */
extern int	__tcaction;		/* If terminal hardware set. */

extern int	 COLS;			/* Columns on the screen. */
extern int	 LINES;			/* Lines on the screen. */

extern char	*ttytype;		/* Full name of current terminal. */

#define	ERR	(0)			/* Error return. */
#define	OK	(1)			/* Success return. */

/* Standard screen pseudo functions. */
#define	addbytes(s, n)			__waddbytes(stdscr, s, n, 0)
#define	addch(ch)			waddch(stdscr, ch)
#define	addnstr(s, n)			waddnstr(stdscr, s, n)
#define	addstr(s)			waddnstr(stdscr, s, -1)
#define	border(l, r, t, b, tl, tr, bl, br) \
	wborder(stdscr, l, r, t, b, tl, tr, bl, br)
#define	clear()				wclear(stdscr)
#define	clrtobot()			wclrtobot(stdscr)
#define	clrtoeol()			wclrtoeol(stdscr)
#define	delch()				wdelch(stdscr)
#define	deleteln()			wdeleteln(stdscr)
#define	erase()				werase(stdscr)
#define	getch()				wgetch(stdscr)
#define	getstr(s)			wgetstr(stdscr, s)
#define	inch()				winch(stdscr)
#define	insch(ch)			winsch(stdscr, ch)
#define	insdelln(n)			winsdelln(stdscr, n)
#define	insertln()			winsertln(stdscr)
#define	move(y, x)			wmove(stdscr, y, x)
#define	refresh()			wrefresh(stdscr)
#define scrl(n)				wscrl(stdscr, n)
#define	standend()			wstandend(stdscr)
#define	standout()			wstandout(stdscr)
#define	timeout(delay)			wtimeout(stdscr, delay)
#define	underscore()			wunderscore(stdscr)
#define	underend()			wunderend(stdscr)
#define	attron(attr)			wattron(stdscr, attr)
#define	attroff(attr)			wattroff(stdscr, attr)
#define	attrset(attr)			wattrset(stdscr, attr)
#define	waddbytes(w, s, n)		__waddbytes(w, s, n, 0)
#define	waddstr(w, s)			waddnstr(w, s, -1)

/* Standard screen plus movement pseudo functions. */
#define	mvaddbytes(y, x, s, n)		mvwaddbytes(stdscr, y, x, s, n)
#define	mvaddch(y, x, ch)		mvwaddch(stdscr, y, x, ch)
#define	mvaddnstr(y, x, s, n)		mvwaddnstr(stdscr, y, x, s, n)
#define	mvaddstr(y, x, s)		mvwaddstr(stdscr, y, x, s)
#define	mvdelch(y, x)			mvwdelch(stdscr, y, x)
#define	mvgetch(y, x)			mvwgetch(stdscr, y, x)
#define	mvgetstr(y, x, s)		mvwgetstr(stdscr, y, x, s)
#define	mvinch(y, x)			mvwinch(stdscr, y, x)
#define	mvinsch(y, x, c)		mvwinsch(stdscr, y, x, c)
#define	mvwaddbytes(w, y, x, s, n) \
	(wmove(w, y, x) == ERR ? ERR : __waddbytes(w, s, n, 0))
#define	mvwaddch(w, y, x, ch) \
	(wmove(w, y, x) == ERR ? ERR : waddch(w, ch))
#define	mvwaddnstr(w, y, x, s, n) \
	(wmove(w, y, x) == ERR ? ERR : waddnstr(w, s, n))
#define	mvwaddstr(w, y, x, s) \
	(wmove(w, y, x) == ERR ? ERR : waddnstr(w, s, -1))
#define	mvwdelch(w, y, x) \
	(wmove(w, y, x) == ERR ? ERR : wdelch(w))
#define	mvwgetch(w, y, x) \
	(wmove(w, y, x) == ERR ? ERR : wgetch(w))
#define	mvwgetstr(w, y, x, s) \
	(wmove(w, y, x) == ERR ? ERR : wgetstr(w, s))
#define	mvwinch(w, y, x) \
	(wmove(w, y, x) == ERR ? ERR : winch(w))
#define	mvwinsch(w, y, x, c) \
	(wmove(w, y, x) == ERR ? ERR : winsch(w, c))

#define	getyx(w, y, x)		(y) = getcury(w), (x) = getcurx(w)
#define getbegyx(w, y, x)	(y) = getbegy(w), (x) = getbegx(w)
#define getmaxyx(w, y, x)	(y) = getmaxy(w), (x) = getmaxx(w)
#define getcury(w)		((w)->cury)
#define getcurx(w)		((w)->curx)
#define getbegy(w)		((w)->begy)
#define getbegx(w)		((w)->begx)
#define getmaxy(w)		((w)->maxy)
#define getmaxx(w)		((w)->maxx)

/* Public function prototypes. */
__BEGIN_DECLS
int	 beep __P((void));
int	 box __P((WINDOW *, chtype, chtype));
int	 cbreak __P((void));
int	 clearok __P((WINDOW *, bool));
int	 delwin __P((WINDOW *));
int	 echo __P((void));
int	 endwin __P((void));
int	 flash __P((void));
int	 flushinp __P((void));
int	 flushok __P((WINDOW *, bool));
char	*fullname __P((char *, char *));
char	*getcap __P((char *));
int	 gettmode __P((void));
int	 idlok __P((WINDOW *, bool));
WINDOW	*initscr __P((void));
bool	 isendwin __P((void));
void	 keypad __P((WINDOW *, bool));
int	 leaveok __P((WINDOW *, bool));
char	*longname __P((void));
int	 mvcur __P((int, int, int, int));
int	 mvprintw __P((int, int, char *, ...));
int	 mvscanw __P((int, int, char *, ...));
int	 mvwin __P((WINDOW *, int, int));
int	 mvwprintw __P((WINDOW *, int, int, char *, ...));
int	 mvwscanw __P((WINDOW *, int, int, char *, ...));
WINDOW	*newwin __P((int, int, int, int));
int	 nl __P((void));
int	 nocbreak __P((void));
void	 nodelay __P((WINDOW *, bool));
int	 noecho __P((void));
int	 nonl __P((void));
int	 noraw __P((void));
int	 notimeout __P((WINDOW *, bool));
int	 overlay __P((const WINDOW *, WINDOW *));
int	 overwrite __P((WINDOW *, WINDOW *));
int	 printw __P((char *, ...));
int	 raw __P((void));
int	 resetty __P((void));
int	 savetty __P((void));
int	 scanw __P((char *, ...));
int	 scroll __P((WINDOW *));
int	 scrollok __P((WINDOW *, bool));
int	 setterm __P((char *));
WINDOW	*subwin __P((WINDOW *, int, int, int, int));
int	 touchline __P((WINDOW *, int, int));
int	 touchoverlap __P((WINDOW *, WINDOW *));
int	 touchwin __P((WINDOW *));
int	 vwprintw __P((WINDOW *, char *, _BSD_VA_LIST_));
int	 vwscanw __P((WINDOW *, char *, _BSD_VA_LIST_));
int	 waddch __P((WINDOW *, const chtype));
int	 waddnstr __P((WINDOW *, const char *, int));
int	 wattron __P((WINDOW *, int));
int	 wattroff __P((WINDOW *, int));
int	 wattrset __P((WINDOW *, int));
int	 wborder __P((WINDOW *, chtype, chtype, chtype, chtype, chtype,
		      chtype, chtype, chtype));
int	 wclear __P((WINDOW *));
int	 wclrtobot __P((WINDOW *));
int	 wclrtoeol __P((WINDOW *));
int	 wdelch __P((WINDOW *));
int	 wdeleteln __P((WINDOW *));
int	 werase __P((WINDOW *));
int	 wgetch __P((WINDOW *));
int	 wgetstr __P((WINDOW *, char *));
chtype	 winch __P((WINDOW *));
int	 winsch __P((WINDOW *, chtype));
int	 winsdelln __P((WINDOW *, int));
int	 winsertln __P((WINDOW *));
int	 wmove __P((WINDOW *, int, int));
int	 wprintw __P((WINDOW *, char *, ...));
int	 wrefresh __P((WINDOW *));
int	 wscanw __P((WINDOW *, char *, ...));
int	 wscrl __P((WINDOW *, int));
int	 wstandend __P((WINDOW *));
int	 wstandout __P((WINDOW *));
void	 wtimeout __P((WINDOW *, int));
int	 wunderend __P((WINDOW *));
int	 wunderscore __P((WINDOW *));

/* Private functions that are needed for user programs prototypes. */
int	 __cputchar __P((int));
int	 __waddbytes __P((WINDOW *, const char *, int, attr_t));
__END_DECLS

/* Private functions. */
#ifdef _CURSES_PRIVATE
#ifdef DEBUG
void	 __CTRACE __P((const char *, ...));
#endif
int	 __delay __P((void));
unsigned int __hash __P((char *, int));
void	 __id_subwins __P((WINDOW *));
void	 __init_getch __P((char *));
void	 __init_acs __P((void));
char	*__longname __P((char *, char *));	/* Original BSD version */
int	 __mvcur __P((int, int, int, int, int));
int	 __nodelay __P((void));
int	 __notimeout __P((void));
void	 __restore_termios __P((void));
void	 __restore_stophandler __P((void));
void	 __save_termios __P((void));
void	 __set_stophandler __P((void));
void	 __set_subwin __P((WINDOW *, WINDOW *));
void	 __startwin __P((void));
void	 __stop_signal_handler __P((int));
void	 __swflags __P((WINDOW *));
int	 __timeout __P((int));
int	 __touchline __P((WINDOW *, int, int, int, int));
int	 __touchwin __P((WINDOW *));
char	*__tscroll __P((const char *, int, int));
int	 __waddch __P((WINDOW *, __LDATA *));
int	 __stopwin __P((void));
void	 __restartwin __P((void));

/* Private #defines. */
#define	min(a,b)	(a < b ? a : b)
#define	max(a,b)	(a > b ? a : b)

/* Private externs. */
extern int	 __echoit;
extern int	 __endwin;
extern int	 __pfast;
extern int	 __rawmode;
extern int	 __noqch;
#endif

#endif /* !_CURSES_H_ */