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curses.c revision 1.1 
      1 /*
      2  * Copyright (c) 1981 Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 static char sccsid[] = "@(#)curses.c	5.7 (Berkeley) 6/1/90";
     36 #endif /* not lint */
     37 
     38 /*
     39  * Define global variables
     40  *
     41  */
     42 # include	"curses.h"
     43 
     44 bool	_echoit		= TRUE,	/* set if stty indicates ECHO		*/
     45 	_rawmode	= FALSE,/* set if stty indicates RAW mode	*/
     46 	My_term		= FALSE,/* set if user specifies terminal type	*/
     47 	_endwin		= FALSE;/* set if endwin has been called	*/
     48 
     49 char	ttytype[50],		/* long name of tty			*/
     50 	*Def_term	= "unknown";	/* default terminal type	*/
     51 
     52 int	_tty_ch		= 0,	/* file channel which is a tty		*/
     53 	LINES,			/* number of lines allowed on screen	*/
     54 	COLS,			/* number of columns allowed on screen	*/
     55 	_res_flg;		/* sgtty flags for reseting later	*/
     56 
     57 WINDOW	*stdscr		= NULL,
     58 	*curscr		= NULL;
     59 
     60 # ifdef DEBUG
     61 FILE	*outf;			/* debug output file			*/
     62 # endif
     63 
     64 SGTTY	_tty;			/* tty modes				*/
     65 
     66 bool	AM, BS, CA, DA, DB, EO, HC, HZ, IN, MI, MS, NC, NS, OS, UL, XB, XN,
     67 	XT, XS, XX;
     68 char	*AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC, *DL, *DM,
     69 	*DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6, *K7, *K8,
     70 	*K9, *HO, *IC, *IM, *IP, *KD, *KE, *KH, *KL, *KR, *KS, *KU,
     71 	*LL, *MA, *ND, *NL, *RC, *SC, *SE, *SF, *SO, *SR, *TA, *TE,
     72 	*TI, *UC, *UE, *UP, *US, *VB, *VS, *VE, *AL_PARM, *DL_PARM,
     73 	*UP_PARM, *DOWN_PARM, *LEFT_PARM, *RIGHT_PARM;
     74 char	PC;
     75 
     76 /*
     77  * From the tty modes...
     78  */
     79 
     80 bool	GT, NONL, UPPERCASE, normtty, _pfast;
     81