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

/*	$NetBSD: curses.h,v 1.24 1999/06/28 13:32:43 simonb 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 <stdio.h>
#include <termcap.h>

/*
 * 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
#ifndef __cplusplus
#define	bool	char
#define	reg	register
#endif

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

#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	*AL, *BC, *BL, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC,
		*DL, *DM, *DO, *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[(c) & 0xff]
#define	unctrllen(ch)		__unctrllen[(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.
 *
 * IMPORTANT: the __LDATA structure must NOT induce any padding, so if new
 * fields are added -- padding fields with *constant values* should ensure
 * that the compiler will not generate any padding when storing an array of
 *  __LDATA structures.  This is to enable consistent use of memcmp, and memcpy
 * for comparing and copying arrays.
 */
typedef struct {
	int	ch;			/* the actual character */

#define	__NORMAL	0x00  		/* Added characters are normal. */
#define	__STANDOUT	0x01  		/* Added characters are standout. */
#define	__UNDERSCORE	0x02  		/* Added characters are underscored. */
#define	__REVERSE	0x04  		/* Added characters are reverse \
						video. */
#define	__BLINK		0x08  		/* Added characters are blinking. */
#define	__DIM		0x10  		/* Added characters are dim. */
#define	__BOLD		0x20  		/* Added characters are bold. */
#define	__BLANK		0x40  		/* Added characters are blanked. */
#define	__PROTECT	0x80  		/* Added characters are protected. */
#define	__ATTRIBUTES	0xfe  		/* All character attributes
						(excluding standout). */
	char	attr;			/* attributes of character */
} __LDATA;

#define __LDATASIZE	(sizeof(__LDATA))

typedef struct {
#define	__ISDIRTY	0x01		/* Line is dirty. */
#define __ISPASTEOL	0x02		/* Cursor is past end of line */
#define __FORCEPAINT	0x04		/* Force a repaint of the line */
	unsigned int flags;
	unsigned int hash;		/* Hash value for the line. */
	size_t *firstchp, *lastchp;	/* First and last chngd columns ptrs */
	size_t firstch, lastch;		/* First and last changed columns. */
	__LDATA *line;			/* Pointer to the line text. */
} __LINE;

typedef struct __window {		/* Window structure. */
	struct __window	*nextp, *orig;	/* Subwindows list and parent. */
	size_t begy, begx;		/* Window home. */
	size_t cury, curx;		/* Current x, y coordinates. */
	size_t maxy, maxx;		/* Maximum values for curx, cury. */
	short ch_off;			/* x offset for firstch/lastch. */
	__LINE **lines;			/* Array of pointers to the lines */
	__LINE  *lspace;		/* line space (for cleanup) */
	__LDATA *wspace;		/* window space (for cleanup) */

#define	__ENDLINE	0x00001		/* End of screen. */
#define	__FLUSH		0x00002		/* Fflush(stdout) after refresh. */
#define	__FULLWIN	0x00004		/* Window is a screen. */
#define	__IDLINE	0x00008		/* Insert/delete sequences. */
#define	__SCROLLWIN	0x00010		/* Last char will scroll window. */
#define	__SCROLLOK	0x00020		/* Scrolling ok. */
#define	__CLEAROK	0x00040		/* Clear on next refresh. */
#define	__WSTANDOUT	0x00080		/* Standout window */
#define	__LEAVEOK	0x00100		/* If curser left */
#define	__WUNDERSCORE	0x00200 	/* Underscored window */
#define	__WREVERSE	0x00400		/* Reverse video window */
#define	__WBLINK	0x00800		/* Blinking window */
#define	__WDIM		0x01000		/* Dim window */
#define	__WBOLD		0x02000		/* Bold window */
#define	__WBLANK	0x04000		/* Blanked window */
#define	__WPROTECT	0x08000		/* Protected window */
#define	__WATTRIBUTES	0x0fc00		/* All character attributes
						(excluding standout). */
#define	__KEYPAD	0x10000		/* If interpreting keypad codes */
#define	__NOTIMEOUT	0x20000		/* Wait indefinitely for func keys */
	unsigned int flags;

	int	delay;			/* delay for getch() */
} WINDOW;

/* 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)			__waddbytes(stdscr, s, strlen(s), 0)
#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	insertln()			winsertln(stdscr)
#define	move(y, x)			wmove(stdscr, y, x)
#define	refresh()			wrefresh(stdscr)
#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)			__waddbytes(w, s, strlen(s), 0)

/* Attributes */
#define A_NORMAL	__NORMAL
#define	A_STANDOUT	__UNDERSCORE
#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_ATTRIBUTES	__ATTRIBUTES

/* 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 : __waddbytes(w, s, strlen(s), 0))
#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))


/* Psuedo functions. */
#define	clearok(w, bf) \
((/* CONSTCOND */ bf) ? ((w)->flags |= __CLEAROK) : ((w)->flags &= ~__CLEAROK))
#define	flushok(w, bf) \
	((bf) ? ((w)->flags |= __FLUSH) : ((w)->flags &= ~__FLUSH))
#define	leaveok(w, bf) \
	((bf) ? ((w)->flags |= __LEAVEOK) : ((w)->flags &= ~__LEAVEOK))
#define	scrollok(w, bf) \
	((bf) ? ((w)->flags |= __SCROLLOK) : ((w)->flags &= ~__SCROLLOK))
#define	winch(w) \
	((w)->lines[(w)->cury]->line[(w)->curx].ch & 0177)

#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 *, int, int));
int	 cbreak __P((void));
int	 delwin __P((WINDOW *));
int	 echo __P((void));
int	 endwin __P((void));
int	 flash __P((void));
int	 flushinp __P((void));
char	*fullname __P((char *, char *));
char	*getcap __P((char *));
int	 gettmode __P((void));
void	 idlok __P((WINDOW *, int));
WINDOW	*initscr __P((void));
int	 isendwin __P((void));
void	 keypad __P((WINDOW *, int));
char	*longname __P((char *, char *));
int	 mvcur __P((int, int, int, int));
int	 mvprintw __P((int, int, const char *, ...));
int	 mvscanw __P((int, int, const char *, ...));
int	 mvwin __P((WINDOW *, int, int));
int	 mvwprintw __P((WINDOW *, int, int, const char *, ...));
int	 mvwscanw __P((WINDOW *, int, int, const char *, ...));
WINDOW	*newwin __P((int, int, int, int));
int	 nl __P((void));
int	 nocbreak __P((void));
void     nodelay __P((WINDOW *, int));
int	 noecho __P((void));
int	 nonl __P((void));
int	 noraw __P((void));
void     notimeout __P((WINDOW *, int));
int	 overlay __P((WINDOW *, WINDOW *));
int	 overwrite __P((WINDOW *, WINDOW *));
int	 printw __P((const char *, ...));
int	 raw __P((void));
int	 resetty __P((void));
int	 savetty __P((void));
int	 scanw __P((const char *, ...));
int	 scroll __P((WINDOW *));
int	 setterm __P((char *));
int	 sscans __P((WINDOW *, const char *, ...));
WINDOW	*subwin __P((WINDOW *, int, int, int, int));
int	 suspendwin __P((void));
int	 touchline __P((WINDOW *, int, int, int));
int	 touchoverlap __P((WINDOW *, WINDOW *));
int	 touchwin __P((WINDOW *));
int	 vwprintw __P((WINDOW *, const char *, _BSD_VA_LIST_));
int	 vwscanw __P((WINDOW *, const char *, _BSD_VA_LIST_));
int	 waddch __P((WINDOW *, int));
int	 waddnstr __P((WINDOW *, const char *, int));
int	 wattron __P((WINDOW *, int));
int	 wattroff __P((WINDOW *, int));
int	 wattrset __P((WINDOW *, int));
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 *));
int	 winsch __P((WINDOW *, int));
int	 winsertln __P((WINDOW *));
int	 wmove __P((WINDOW *, int, int));
int	 wprintw __P((WINDOW *, const char *, ...));
int	 wrefresh __P((WINDOW *));
int	 wscanw __P((WINDOW *, const char *, ...));
int	 wstandend __P((WINDOW *));
int	 wstandout __P((WINDOW *));
void	 wtimeout __P((WINDOW *, int));
int	 wunderscore __P((WINDOW *));
int	 wunderend __P((WINDOW *));
int	 vwprintw __P((WINDOW *, const char *, _BSD_VA_LIST_));

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

/* Private functions. */
#ifdef _CURSES_PRIVATE
void	 __CTRACE __P((const char *, ...));
int	 __delay __P((void));
unsigned int __hash __P((char *, int));
void	 __id_subwins __P((WINDOW *));
void     __init_getch __P((char *));
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_ */