This commit was manufactured by cvs2svn to create tag 'V1_1_9_45mdk'.V1_1_9_45mdk

1 files changed, 0 insertions, 2596 deletions

diff --git a/mdk-stage1/slang/sldisply.c b/mdk-stage1/slang/sldisply.c
deleted file mode 100644
index 1e1161774..000000000
--- a/mdk-stage1/slang/sldisply.c
+++ /dev/null
@@ -1,2596 +0,0 @@
-/* Copyright (c) 1992, 1999, 2001 John E. Davis
- * This file is part of the S-Lang library.
- *
- * You may distribute under the terms of either the GNU General Public
- * License or the Perl Artistic License.
- */
-#include "slinclud.h"
-
-#include <time.h>
-#include <ctype.h>
-
-#if !defined(VMS) || (__VMS_VER >= 70000000)
-# include <sys/time.h>
-# ifdef __QNX__
-#  include <sys/select.h>
-# endif
-# include <sys/types.h>
-#endif
-
-#ifdef __BEOS__
-/* Prototype for select */
-# include <net/socket.h>
-#endif
-
-#ifdef HAVE_TERMIOS_H
-# include <termios.h>
-#endif
-
-#ifdef VMS
-# include <unixlib.h>
-# include <unixio.h>
-# include <dvidef.h>
-# include <descrip.h>
-# include <lib$routines.h>
-# include <starlet.h>
-#else
-# if !defined(sun)
-#  include <sys/ioctl.h>
-# endif
-#endif
-
-#ifdef SYSV
-# include <sys/termio.h>
-# include <sys/stream.h>
-# include <sys/ptem.h>
-# include <sys/tty.h>
-#endif
-
-#if defined (_AIX) && !defined (FD_SET)
-# include <sys/select.h>	/* for FD_ISSET, FD_SET, FD_ZERO */
-#endif
-
-#include <errno.h>
-
-#if defined(__DECC) && defined(VMS)
-/* These get prototypes for write an sleep */
-# include <unixio.h>
-#endif
-#include <signal.h>
-
-#include "slang.h"
-#include "_slang.h"
-
-/* Colors:  These definitions are used for the display.  However, the
- * application only uses object handles which get mapped to this
- * internal representation.  The mapping is performed by the Color_Map
- * structure below. */
-
-#define CHAR_MASK	0x000000FF
-#define FG_MASK		0x0000FF00
-#define BG_MASK		0x00FF0000
-#define ATTR_MASK	0x1F000000
-#define BGALL_MASK	0x0FFF0000
-
-/* The 0x10000000 bit represents the alternate character set.  BGALL_MASK does
- * not include this attribute.
- */
-
-#define GET_FG(color) ((color & FG_MASK) >> 8)
-#define GET_BG(color) ((color & BG_MASK) >> 16)
-#define MAKE_COLOR(fg, bg) (((fg) | ((bg) << 8)) << 8)
-
-int SLtt_Screen_Cols;
-int SLtt_Screen_Rows;
-int SLtt_Term_Cannot_Insert;
-int SLtt_Term_Cannot_Scroll;
-int SLtt_Use_Ansi_Colors;
-int SLtt_Blink_Mode = 1;
-int SLtt_Use_Blink_For_ACS = 0;
-int SLtt_Newline_Ok = 0;
-int SLtt_Has_Alt_Charset = 0;
-int SLtt_Force_Keypad_Init = 0;
-
-void (*_SLtt_color_changed_hook)(void);
-
-#if SLTT_HAS_NON_BCE_SUPPORT
-static int Bce_Color_Offset = 0;
-#endif
-static int Can_Background_Color_Erase = 1;
-
-/* -1 means unknown */
-int SLtt_Has_Status_Line = -1;	       /* hs */
-int SLang_TT_Write_FD = -1;
-
-static int Automatic_Margins;
-/* static int No_Move_In_Standout; */
-static int Worthless_Highlight;
-#define HP_GLITCH_CODE
-#ifdef HP_GLITCH_CODE
-/* This glitch is exclusive to HP term.  Basically it means that to clear
- * attributes, one has to erase to the end of the line.
- */
-static int Has_HP_Glitch;
-#endif
-
-static char *Reset_Color_String;
-static int Is_Color_Terminal = 0;
-
-static int Linux_Console;
-
-/* It is crucial that JMAX_COLORS must be less than 128 since the high bit
- * is used to indicate a character from the ACS (alt char set).  The exception
- * to this rule is if SLtt_Use_Blink_For_ACS is true.  This means that of
- * the highbit is set, we interpret that as a blink character.  This is
- * exploited by DOSemu.
- */
-#define JMAX_COLORS 256
-#define JNORMAL_COLOR 0
-
-typedef struct
-{
-   SLtt_Char_Type fgbg;
-   SLtt_Char_Type mono;
-   char *custom_esc;
-}
-Ansi_Color_Type;
-
-#define RGB1(r, g, b)   ((r) | ((g) << 1) | ((b) << 2))
-#define RGB(r, g, b, br, bg, bb)  ((RGB1(r, g, b) << 8) | (RGB1(br, bg, bb) << 16))
-
-static Ansi_Color_Type Ansi_Color_Map[JMAX_COLORS] =
-{
-     {RGB(1, 1, 1, 0, 0, 0), 0x00000000, NULL},   /* white/black */
-     {RGB(0, 1, 0, 0, 0, 0), SLTT_REV_MASK, NULL},   /* green/black */
-     {RGB(1, 0, 1, 0, 0, 0), SLTT_REV_MASK, NULL},   /* magenta/black */
-     {RGB(0, 1, 1, 0, 0, 0), SLTT_REV_MASK, NULL},   /* cyan/black */
-     {RGB(1, 0, 0, 0, 0, 0), SLTT_REV_MASK, NULL},
-     {RGB(0, 1, 0, 0, 0, 1), SLTT_REV_MASK, NULL},
-     {RGB(1, 0, 0, 0, 0, 1), SLTT_REV_MASK, NULL},
-     {RGB(1, 0, 0, 0, 1, 0), SLTT_REV_MASK, NULL},
-     {RGB(0, 0, 1, 1, 0, 0), SLTT_REV_MASK, NULL},
-     {RGB(0, 1, 0, 1, 0, 0), SLTT_REV_MASK, NULL},
-     {RGB(0, 1, 1, 1, 1, 1), SLTT_REV_MASK, NULL},
-     {RGB(1, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL},
-     {RGB(1, 0, 1, 1, 1, 1), SLTT_REV_MASK, NULL},
-     {RGB(0, 0, 0, 0, 1, 1), SLTT_REV_MASK, NULL},
-     {RGB(0, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL},
-     {RGB(0, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL},
-     {RGB(0, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL},
-     {RGB(0, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL}
-};
-
-static char *Color_Fg_Str = "\033[3%dm";
-static char *Color_Bg_Str = "\033[4%dm";
-static char *Default_Color_Fg_Str = "\033[39m";
-static char *Default_Color_Bg_Str = "\033[49m";
-
-static int Max_Terminfo_Colors = 8;	       /* termcap Co */
-
-char *SLtt_Graphics_Char_Pairs;	       /* ac termcap string -- def is vt100 */
-
-/* 1 if terminal lacks the ability to go into insert mode or into delete
-   mode. Currently controlled by S-Lang but later perhaps termcap. */
-
-static char *UnderLine_Vid_Str;
-static char *Blink_Vid_Str;
-static char *Bold_Vid_Str;
-static char *Ins_Mode_Str; /* = "\033[4h"; */   /* ins mode (im) */
-static char *Eins_Mode_Str; /* = "\033[4l"; */  /* end ins mode (ei) */
-static char *Scroll_R_Str; /* = "\033[%d;%dr"; */ /* scroll region */
-static char *Cls_Str; /* = "\033[2J\033[H"; */  /* cl termcap STR  for ansi terminals */
-static char *Rev_Vid_Str; /* = "\033[7m"; */    /* mr,so termcap string */
-static char *Norm_Vid_Str; /* = "\033[m"; */   /* me,se termcap string */
-static char *Del_Eol_Str; /* = "\033[K"; */	       /* ce */
-static char *Del_Bol_Str; /* = "\033[1K"; */	       /* cb */
-static char *Del_Char_Str; /* = "\033[P"; */   /* dc */
-static char *Del_N_Lines_Str; /* = "\033[%dM"; */  /* DL */
-static char *Add_N_Lines_Str; /* = "\033[%dL"; */  /* AL */
-static char *Rev_Scroll_Str;
-static char *Curs_Up_Str;
-static char *Curs_F_Str;    /* RI termcap string */
-static char *Cursor_Visible_Str;    /* ve termcap string */
-static char *Cursor_Invisible_Str;    /* vi termcap string */
-#if 0
-static char *Start_Mouse_Rpt_Str;  /* Start mouse reporting mode */
-static char *End_Mouse_Rpt_Str;  /* End mouse reporting mode */
-#endif
-static char *Start_Alt_Chars_Str;  /* as */
-static char *End_Alt_Chars_Str;   /* ae */
-static char *Enable_Alt_Char_Set;  /* eA */
-
-static char *Term_Init_Str;
-static char *Keypad_Init_Str;
-static char *Term_Reset_Str;
-static char *Keypad_Reset_Str;
-
-/* status line functions */
-static char *Disable_Status_line_Str;  /* ds */
-static char *Return_From_Status_Line_Str;   /* fs */
-static char *Goto_Status_Line_Str;     /* ts */
-static int Num_Status_Line_Columns;    /* ws */
-/* static int Status_Line_Esc_Ok;	 */       /* es */
-
-/* static int Len_Curs_F_Str = 5; */
-
-/* cm string has %i%d since termcap numbers columns from 0 */
-/* char *CURS_POS_STR = "\033[%d;%df";  ansi-- hor and vert pos */
-static char *Curs_Pos_Str; /* = "\033[%i%d;%dH";*/   /* cm termcap string */
-
-/* scrolling region */
-static int Scroll_r1 = 0, Scroll_r2 = 23;
-static int Cursor_r, Cursor_c;	       /* 0 based */
-
-/* current attributes --- initialized to impossible value */
-static SLtt_Char_Type Current_Fgbg = 0xFFFFFFFFU;
-
-static int Cursor_Set;		       /* 1 if cursor position known, 0
-					* if not.  -1 if only row is known
-					*/
-
-#define MAX_OUTPUT_BUFFER_SIZE 4096
-
-static unsigned char Output_Buffer[MAX_OUTPUT_BUFFER_SIZE];
-static unsigned char *Output_Bufferp = Output_Buffer;
-
-unsigned long SLtt_Num_Chars_Output;
-
-int _SLusleep (unsigned long usecs)
-{
-#if !defined(VMS) || (__VMS_VER >= 70000000)
-   struct timeval tv;
-   tv.tv_sec = usecs / 1000000;
-   tv.tv_usec = usecs % 1000000;
-   return select(0, NULL, NULL, NULL, &tv);
-#else
-   return 0;
-#endif
-}
-
-int SLtt_flush_output (void)
-{
-   int nwrite = 0;
-   unsigned int total;
-   int n = (int) (Output_Bufferp - Output_Buffer);
-
-   SLtt_Num_Chars_Output += n;
-
-   total = 0;
-   while (n > 0)
-     {
-	nwrite = write (SLang_TT_Write_FD, (char *) Output_Buffer + total, n);
-	if (nwrite == -1)
-	  {
-	     nwrite = 0;
-#ifdef EAGAIN
-	     if (errno == EAGAIN)
-	       {
-		  _SLusleep (100000);   /* 1/10 sec */
-		  continue;
-	       }
-#endif
-#ifdef EWOULDBLOCK
-	     if (errno == EWOULDBLOCK)
-	       {
-		  _SLusleep (100000);
-		  continue;
-	       }
-#endif
-#ifdef EINTR
-	     if (errno == EINTR) continue;
-#endif
-	     break;
-	  }
-	n -= nwrite;
-	total += nwrite;
-     }
-   Output_Bufferp = Output_Buffer;
-   return n;
-}
-
-int SLtt_Baud_Rate;
-static void tt_write(char *str, unsigned int n)
-{
-   static unsigned long last_time;
-   static int total;
-   unsigned long now;
-   unsigned int ndiff;
-
-   if ((str == NULL) || (n == 0)) return;
-   total += n;
-
-   while (1)
-     {
-	ndiff = MAX_OUTPUT_BUFFER_SIZE - (int) (Output_Bufferp - Output_Buffer);
-	if (ndiff < n)
-	  {
-	     SLMEMCPY ((char *) Output_Bufferp, (char *) str, ndiff);
-	     Output_Bufferp += ndiff;
-	     SLtt_flush_output ();
-	     n -= ndiff;
-	     str += ndiff;
-	  }
-	else
-	  {
-	     SLMEMCPY ((char *) Output_Bufferp, str, n);
-	     Output_Bufferp += n;
-	     break;
-	  }
-     }
-
-   if (((SLtt_Baud_Rate > 150) && (SLtt_Baud_Rate <= 9600))
-       && (10 * total > SLtt_Baud_Rate))
-     {
-	total = 0;
-	if ((now = (unsigned long) time(NULL)) - last_time <= 1)
-	  {
-	     SLtt_flush_output ();
-	     sleep((unsigned) 1);
-	  }
-	last_time = now;
-     }
-}
-
-static void tt_write_string (char *str)
-{
-   if (str != NULL) tt_write(str, strlen(str));
-}
-
-void SLtt_write_string (char *str)
-{
-   tt_write_string (str);
-   Cursor_Set = 0;
-}
-
-void SLtt_putchar (char ch)
-{
-   SLtt_normal_video ();
-   if (Cursor_Set == 1)
-     {
-	if (ch >= ' ') Cursor_c++;
-	else if (ch == '\b') Cursor_c--;
-	else if (ch == '\r') Cursor_c = 0;
-	else Cursor_Set = 0;
-
-	if ((Cursor_c + 1 == SLtt_Screen_Cols)
-	    && Automatic_Margins) Cursor_Set = 0;
-     }
-
-   if (Output_Bufferp < Output_Buffer + MAX_OUTPUT_BUFFER_SIZE)
-     {
-	*Output_Bufferp++ = (unsigned char) ch;
-     }
-   else tt_write (&ch, 1);
-}
-
-static unsigned int tt_sprintf(char *buf, char *fmt, int x, int y)
-{
-   char *fmt_max;
-   register unsigned char *b, ch;
-   int offset;
-   int z, z1, parse_level;
-   int zero_pad;
-   int field_width;
-   int variables [26];
-   int stack [64];
-   unsigned int stack_len;
-   int parms [10];
-#define STACK_POP (stack_len ? stack[--stack_len] : 0)
-
-   if (fmt == NULL)
-     {
-	*buf = 0;
-	return 0;
-     }
-
-   stack [0] = y;	       /* pushed for termcap */
-   stack [1] = x;
-   stack_len = 2;
-
-   parms [1] = x;	       /* p1 */
-   parms [2] = y;	       /* p2 */
-
-   offset = 0;
-   zero_pad = 0;
-   field_width = 0;
-
-   b = (unsigned char *) buf;
-   fmt_max = fmt + strlen (fmt);
-
-   while (fmt < fmt_max)
-     {
-	ch = *fmt++;
-
-	if (ch != '%')
-	  {
-	     *b++ = ch;
-	     continue;
-	  }
-
-	if (fmt == fmt_max) break;
-	ch = *fmt++;
-
-	switch (ch)
-	  {
-	   default:
-	     *b++ = ch;
-	     break;
-
-	   case 'p':
-
-	     if (fmt == fmt_max) break;
-	     ch = *fmt++;
-	     if ((ch >= '0') && (ch <= '9'))
-	       stack [stack_len++] = parms [ch - '0'];
-	     break;
-
-	   case '\'':   /* 'x' */
-	     if (fmt == fmt_max) break;
-	     stack [stack_len++] = *fmt++;
-	     if (fmt < fmt_max) fmt++;     /* skip ' */
-	     break;
-
-	   case '{':	       /* literal constant, e.g. {30} */
-	     z = 0;
-	     while ((fmt < fmt_max) && ((ch = *fmt) <= '9') && (ch >= '0'))
-	       {
-		  z = z * 10 + (ch - '0');
-		  fmt++;
-	       }
-	     stack [stack_len++] = z;
-	     if ((ch == '}') && (fmt < fmt_max)) fmt++;
-	     break;
-
-	   case '0':
-	     if (fmt == fmt_max) break;
-	     ch = *fmt;
-	     if ((ch != '2') && (ch != '3'))
-	       break;
-	     zero_pad = 1;
-	     fmt++;
-	     /* drop */
-
-	   case '2':
-	   case '3':
-	     if (fmt == fmt_max)
-	     if (*fmt == 'x')
-	       {
-		  char x_fmt_buf [4];
-		  char *x_fmt_buf_ptr;
-
-		  x_fmt_buf_ptr = x_fmt_buf;
-		  if (zero_pad) *x_fmt_buf_ptr++ = '0';
-		  *x_fmt_buf_ptr++ = ch;
-		  *x_fmt_buf_ptr++ = 'X';
-		  *x_fmt_buf_ptr = 0;
-
-		  z = STACK_POP;
-		  z += offset;
-
-		  sprintf ((char *)b, x_fmt_buf, z);
-		  b += strlen ((char *)b);
-		  zero_pad = 0;
-		  break;
-	       }
-
-	     field_width = (ch - '0');
-		  /* drop */
-
-	   case 'd':
-	     z = STACK_POP;
-	     z += offset;
-	     if (z >= 100)
-	       {
-		  *b++ = z / 100 + '0';
-		  z = z % 100;
-		  zero_pad = 1;
-		  field_width = 2;
-	       }
-	     else if (zero_pad && (field_width == 3))
-	       *b++ = '0';
-
-	     if (z >= 10)
-	       {
-		  *b++ = z / 10 + '0';
-		  z = z % 10;
-	       }
-	     else if (zero_pad && (field_width >= 2))
-	       *b++ = '0';
-
-	     *b++ = z + '0';
-	     field_width = zero_pad = 0;
-	     break;
-
-	   case 'x':
-	     z = STACK_POP;
-	     z += offset;
-	     sprintf ((char *) b, "%X", z);
-	     b += strlen ((char *)b);
-	     break;
-
-	   case 'i':
-	     offset = 1;
-	     break;
-
-	   case '+':
-	     /* Handling this depends upon whether or not we are parsing
-	      * terminfo.  Terminfo requires the stack so use it as an
-	      * indicator.
-	      */
-	     if (stack_len > 2)
-	       {
-		  z = STACK_POP;
-		  stack [stack_len - 1] += z;
-	       }
-	     else if (fmt < fmt_max)
-	       {
-		  ch = *fmt++;
-		  if ((unsigned char) ch == 128) ch = 0;
-		  ch = ch + (unsigned char) STACK_POP;
-		  if (ch == '\n') ch++;
-		  *b++ = ch;
-	       }
-	     break;
-
-	     /* Binary operators */
-	   case '-':
-	   case '*':
-	   case '/':
-	   case 'm':
-	   case '&':
-	   case '|':
-	   case '^':
-	   case '=':
-	   case '>':
-	   case '<':
-	   case 'A':
-	   case 'O':
-	     z1 = STACK_POP;
-	     z = STACK_POP;
-	     switch (ch)
-	       {
-		case '-': z = (z - z1); break;
-		case '*': z = (z * z1); break;
-		case '/': z = (z / z1); break;
-		case 'm': z = (z % z1); break;
-		case '&': z = (z & z1); break;
-		case '|': z = (z | z1); break;
-		case '^': z = (z ^ z1); break;
-		case '=': z = (z == z1); break;
-		case '>': z = (z > z1); break;
-		case '<': z = (z < z1); break;
-		case 'A': z = (z && z1); break;
-		case 'O': z = (z || z1); break;
-	       }
-	     stack [stack_len++] = z;
-	     break;
-
-	     /* unary */
-	   case '!':
-	     z = STACK_POP;
-	     stack [stack_len++] = !z;
-	     break;
-
-	   case '~':
-	     z = STACK_POP;
-	     stack [stack_len++] = ~z;
-	     break;
-
-	   case 'r':		       /* termcap -- swap parameters */
-	     z = stack [0];
-	     stack [0] = stack [1];
-	     stack [1] = z;
-	     break;
-
-	   case '.':		       /* termcap */
-	   case 'c':
-	     ch = (unsigned char) STACK_POP;
-	     if (ch == '\n') ch++;
-	     *b++ = ch;
-	     break;
-
-	   case 'g':
-	     if (fmt == fmt_max) break;
-	     ch = *fmt++;
-	     if ((ch >= 'a') && (ch <= 'z'))
-	       stack [stack_len++] = variables [ch - 'a'];
-	     break;
-
-	   case 'P':
-	     if (fmt == fmt_max) break;
-	     ch = *fmt++;
-	     if ((ch >= 'a') && (ch <= 'z'))
-	       variables [ch - 'a'] = STACK_POP;
-	     break;
-
-	     /* If then else parsing.  Actually, this is rather easy.  The
-	      * key is to notice that 'then' does all the work.  'if' simply
-	      * there to indicate the start of a test and endif indicates
-	      * the end of tests.  If 'else' is seen, then skip to
-	      * endif.
-	      */
-	   case '?':		       /* if */
-	   case ';':		       /* endif */
-	     break;
-
-	   case 't':		       /* then */
-	     z = STACK_POP;
-	     if (z != 0)
-	       break;		       /* good.  Continue parsing. */
-
-	     /* z == 0 and test has failed.  So, skip past this entire if
-	      * expression to the matching else or matching endif.
-	      */
-	     /* drop */
-	   case 'e':		       /* else */
-
-	     parse_level = 0;
-	     while (fmt < fmt_max)
-	       {
-		  unsigned char ch1;
-
-		  ch1 = *fmt++;
-		  if ((ch1 != '%') || (fmt == fmt_max))
-		    continue;
-
-		  ch1 = *fmt++;
-
-		  if (ch1 == '?') parse_level++;   /* new if */
-		  else if (ch1 == 'e')
-		    {
-		       if ((ch != 'e') && (parse_level == 0))
-			 break;
-		    }
-		  else if (ch1 == ';')
-		    {
-		       if (parse_level == 0)
-			 break;
-		       parse_level--;
-		    }
-	       }
-	     break;
-	  }
-     }
-   *b = 0;
-   return (unsigned int) (b - (unsigned char *) buf);
-}
-
-static void tt_printf(char *fmt, int x, int y)
-{
-   char buf[1024];
-   unsigned int n;
-   if (fmt == NULL) return;
-   n = tt_sprintf(buf, fmt, x, y);
-   tt_write(buf, n);
-}
-
-void SLtt_set_scroll_region (int r1, int r2)
-{
-   Scroll_r1 = r1;
-   Scroll_r2 = r2;
-   tt_printf (Scroll_R_Str, Scroll_r1, Scroll_r2);
-   Cursor_Set = 0;
-}
-
-void SLtt_reset_scroll_region (void)
-{
-   SLtt_set_scroll_region(0, SLtt_Screen_Rows - 1);
-}
-
-int SLtt_set_cursor_visibility (int show)
-{
-   if ((Cursor_Visible_Str == NULL) || (Cursor_Invisible_Str == NULL))
-     return -1;
-
-   tt_write_string (show ? Cursor_Visible_Str : Cursor_Invisible_Str);
-   return 0;
-}
-
-/* the goto_rc function moves to row relative to scrolling region */
-void SLtt_goto_rc(int r, int c)
-{
-   char *s = NULL;
-   int n;
-   char buf[6];
-
-   if ((c < 0) || (r < 0))
-     {
-	Cursor_Set = 0;
-	return;
-     }
-
-   /* if (No_Move_In_Standout && Current_Fgbg) SLtt_normal_video (); */
-   r += Scroll_r1;
-
-   if ((Cursor_Set > 0) || ((Cursor_Set < 0) && !Automatic_Margins))
-     {
-	n = r - Cursor_r;
-	if ((n == -1) && (Cursor_Set > 0) && (Cursor_c == c)
-	    && (Curs_Up_Str != NULL))
-	  {
-	     s = Curs_Up_Str;
-	  }
-	else if ((n >= 0) && (n <= 4))
-	  {
-	     if ((n == 0) && (Cursor_Set == 1)
-		 && ((c > 1) || (c == Cursor_c)))
-	       {
-		  if (Cursor_c == c) return;
-		  if (Cursor_c == c + 1)
-		    {
-		       s = buf;
-		       *s++ = '\b'; *s = 0;
-		       s = buf;
-		    }
-	       }
-	     else if (c == 0)
-	       {
-		  s = buf;
-		  if ((Cursor_Set != 1) || (Cursor_c != 0)) *s++ = '\r';
-		  while (n--) *s++ = '\n';
-#ifdef VMS
-		  /* Need to add this after \n to start a new record.  Sheesh. */
-		  *s++ = '\r';
-#endif
-		  *s = 0;
-		  s = buf;
-	       }
-	     /* Will fail on VMS */
-#ifndef VMS
-	     else if (SLtt_Newline_Ok && (Cursor_Set == 1) &&
-		      (Cursor_c >= c) && (c + 3 > Cursor_c))
-	       {
-		  s = buf;
-		  while (n--) *s++ = '\n';
-		  n = Cursor_c - c;
-		  while (n--) *s++ = '\b';
-		  *s = 0;
-		  s = buf;
-	       }
-#endif
-	  }
-     }
-   if (s != NULL) tt_write_string(s);
-   else tt_printf(Curs_Pos_Str, r, c);
-   Cursor_c = c; Cursor_r = r;
-   Cursor_Set = 1;
-}
-
-void SLtt_begin_insert (void)
-{
-   tt_write_string(Ins_Mode_Str);
-}
-
-void SLtt_end_insert (void)
-{
-   tt_write_string(Eins_Mode_Str);
-}
-
-void SLtt_delete_char (void)
-{
-   SLtt_normal_video ();
-   tt_write_string(Del_Char_Str);
-}
-
-void SLtt_erase_line (void)
-{
-   tt_write_string("\r");
-   Cursor_Set = 1; Cursor_c = 0;
-   SLtt_del_eol();
-}
-
-/* It appears that the Linux console, and most likely others do not
- * like scrolling regions that consist of one line.  So I have to
- * resort to this stupidity to make up for that stupidity.
- */
-static void delete_line_in_scroll_region (void)
-{
-   SLtt_goto_rc (Cursor_r - Scroll_r1, 0);
-   SLtt_del_eol ();
-}
-
-void SLtt_delete_nlines (int n)
-{
-   int r1, curs;
-   char buf[132];
-
-   if (n <= 0) return;
-   SLtt_normal_video ();
-
-   if (Scroll_r1 == Scroll_r2)
-     {
-	delete_line_in_scroll_region ();
-	return;
-     }
-
-   if (Del_N_Lines_Str != NULL) tt_printf(Del_N_Lines_Str,n, 0);
-   else
-   /* get a new terminal */
-     {
-	r1 = Scroll_r1;
-	curs = Cursor_r;
-	SLtt_set_scroll_region(curs, Scroll_r2);
-	SLtt_goto_rc(Scroll_r2 - Scroll_r1, 0);
-	SLMEMSET(buf, '\n', (unsigned int) n);
-	tt_write(buf, (unsigned int) n);
-	/* while (n--) tt_putchar('\n'); */
-	SLtt_set_scroll_region(r1, Scroll_r2);
-	SLtt_goto_rc(curs, 0);
-     }
-}
-
-void SLtt_cls (void)
-{
-   /* If the terminal is a color terminal but the user wants black and 
-    * white, then make sure that the colors are reset.  This appears to be
-    * necessary.
-    */
-   if ((SLtt_Use_Ansi_Colors == 0) && Is_Color_Terminal)
-     {
-	if (Reset_Color_String != NULL)
-	  tt_write_string (Reset_Color_String);
-	else
-	  tt_write_string ("\033[0m\033[m");
-     }
-
-   SLtt_normal_video();
-   SLtt_reset_scroll_region ();
-   tt_write_string(Cls_Str);
-}
-
-void SLtt_reverse_index (int n)
-{
-   if (!n) return;
-
-   SLtt_normal_video();
-
-   if (Scroll_r1 == Scroll_r2)
-     {
-	delete_line_in_scroll_region ();
-	return;
-     }
-
-   if (Add_N_Lines_Str != NULL) tt_printf(Add_N_Lines_Str,n, 0);
-   else
-     {
-	while(n--) tt_write_string(Rev_Scroll_Str);
-     }
-}
-
-int SLtt_Ignore_Beep = 1;
-static char *Visible_Bell_Str;
-
-void SLtt_beep (void)
-{
-   if (SLtt_Ignore_Beep & 0x1) SLtt_putchar('\007');
-
-   if (SLtt_Ignore_Beep & 0x2)
-     {
-	if (Visible_Bell_Str != NULL) tt_write_string (Visible_Bell_Str);
-#ifdef __linux__
-	else if (Linux_Console)
-	  {
-	     tt_write_string ("\033[?5h");
-	     SLtt_flush_output ();
-	     _SLusleep (50000);
-	     tt_write_string ("\033[?5l");
-	  }
-#endif
-     }
-   SLtt_flush_output ();
-}
-
-static void del_eol (void)
-{
-   int c;
-
-   if (Del_Eol_Str != NULL)
-     {
-	tt_write_string(Del_Eol_Str);
-	return;
-     }
-
-   c = Cursor_c;
-   /* Avoid writing to the lower right corner.  If the terminal does not
-    * have Del_Eol_Str, then it probably does not have what it takes to play
-    * games with insert for for a space into that corner.
-    */
-   if (Cursor_r + 1 < SLtt_Screen_Rows)
-     c++;
-
-   while (c < SLtt_Screen_Cols)
-     {
-	tt_write (" ", 1);
-	c++;
-     }
-}
-
-void SLtt_del_eol (void)
-{
-   if (Current_Fgbg != 0xFFFFFFFFU) SLtt_normal_video ();
-   del_eol ();
-}
-
-typedef struct
-{
-   char *name;
-   SLtt_Char_Type color;
-}
-Color_Def_Type;
-
-#define MAX_COLOR_NAMES 17
-static Color_Def_Type Color_Defs [MAX_COLOR_NAMES] =
-{
-     {"black",		SLSMG_COLOR_BLACK},
-     {"red",		SLSMG_COLOR_RED},
-     {"green",		SLSMG_COLOR_GREEN},
-     {"brown",		SLSMG_COLOR_BROWN},
-     {"blue",		SLSMG_COLOR_BLUE},
-     {"magenta",	SLSMG_COLOR_MAGENTA},
-     {"cyan",		SLSMG_COLOR_CYAN},
-     {"lightgray",	SLSMG_COLOR_LGRAY},
-     {"gray",		SLSMG_COLOR_GRAY},
-     {"brightred",	SLSMG_COLOR_BRIGHT_RED},
-     {"brightgreen",	SLSMG_COLOR_BRIGHT_GREEN},
-     {"yellow",		SLSMG_COLOR_BRIGHT_BROWN},
-     {"brightblue",	SLSMG_COLOR_BRIGHT_BLUE},
-     {"brightmagenta",	SLSMG_COLOR_BRIGHT_CYAN},
-     {"brightcyan",	SLSMG_COLOR_BRIGHT_MAGENTA},
-     {"white",		SLSMG_COLOR_BRIGHT_WHITE},
-#define SLSMG_COLOR_DEFAULT 0xFF
-     {"default",		SLSMG_COLOR_DEFAULT}
-};
-
-void SLtt_set_mono (int obj, char *what, SLtt_Char_Type mask)
-{
-   (void) what;
-   if ((obj < 0) || (obj >= JMAX_COLORS))
-     {
-	return;
-     }
-   Ansi_Color_Map[obj].mono = mask & ATTR_MASK;
-}
-
-static char *check_color_for_digit_form (char *color)
-{
-   unsigned int i, ich;
-   char *s = color;
-
-   i = 0;
-   while ((ich = (int) *s) != 0)
-     {
-	if ((ich < '0') || (ich > '9'))
-	  return color;
-
-	i = i * 10 + (ich - '0');
-	s++;
-     }
-
-   if (i < MAX_COLOR_NAMES)
-     color = Color_Defs[i].name;
-
-   return color;
-}
-
-static int get_default_colors (char **fgp, char **bgp)
-{
-   static char fg_buf[16], bg_buf[16], *bg, *fg;
-   static int already_parsed;
-   char *p, *pmax;
-
-   if (already_parsed == -1)
-     return -1;
-
-   if (already_parsed)
-     {
-	*fgp = fg;
-	*bgp = bg;
-	return 0;
-     }
-
-   already_parsed = -1;
-
-   bg = getenv ("COLORFGBG");
-
-   if (bg == NULL)
-     {
-	bg = getenv ("DEFAULT_COLORS");
-	if (bg == NULL)
-	  return -1;
-     }
-
-   p = fg_buf;
-   pmax = p + (sizeof (fg_buf) - 1);
-
-   while ((*bg != 0) && (*bg != ';'))
-     {
-	if (p < pmax) *p++ = *bg;
-	bg++;
-     }
-   *p = 0;
-
-   if (*bg) bg++;
-
-   p = bg_buf;
-   pmax = p + (sizeof (bg_buf) - 1);
-
-   /* Mark suggested allowing for extra spplication specific stuff following
-    * the background color.  That is what the check for the semi-colon is for.
-    */
-   while ((*bg != 0) && (*bg != ';'))
-     {
-	if (p < pmax) *p++ = *bg;
-	bg++;
-     }
-   *p = 0;
-
-   if (!strcmp (fg_buf, "default") || !strcmp(bg_buf, "default"))
-     {
-	*fgp = *bgp = fg = bg = "default";
-     }
-   else
-     {
-	*fgp = fg = check_color_for_digit_form (fg_buf);
-	*bgp = bg = check_color_for_digit_form (bg_buf);
-     }
-   already_parsed = 1;
-   return 0;
-}
-
-static unsigned char FgBg_Stats[JMAX_COLORS];
-
-static int Color_0_Modified = 0;
-
-void SLtt_set_color_object (int obj, SLtt_Char_Type attr)
-{
-   char *cust_esc;
-
-   if ((obj < 0) || (obj >= JMAX_COLORS)) return;
-
-   cust_esc = Ansi_Color_Map[obj].custom_esc;
-   if (cust_esc != NULL)
-     {
-	SLfree (cust_esc);
-	FgBg_Stats[(Ansi_Color_Map[obj].fgbg >> 8) & 0x7F] -= 1;
-	Ansi_Color_Map[obj].custom_esc = NULL;
-     }
-
-   Ansi_Color_Map[obj].fgbg = attr;
-   if (obj == 0) Color_0_Modified = 1;
-
-   if (_SLtt_color_changed_hook != NULL)
-     (*_SLtt_color_changed_hook)();
-}
-
-SLtt_Char_Type SLtt_get_color_object (int obj)
-{
-   if ((obj < 0) || (obj >= JMAX_COLORS)) return 0;
-   return Ansi_Color_Map[obj].fgbg;
-}
-
-void SLtt_add_color_attribute (int obj, SLtt_Char_Type attr)
-{
-   if ((obj < 0) || (obj >= JMAX_COLORS)) return;
-
-   Ansi_Color_Map[obj].fgbg |= (attr & ATTR_MASK);
-   if (obj == 0) Color_0_Modified = 1;
-   if (_SLtt_color_changed_hook != NULL)
-     (*_SLtt_color_changed_hook)();
-}
-
-static SLtt_Char_Type fb_to_fgbg (SLtt_Char_Type f, SLtt_Char_Type b)
-{
-   SLtt_Char_Type attr;
-
-   if (Max_Terminfo_Colors != 8)
-     {
-	if (f != SLSMG_COLOR_DEFAULT) f %= Max_Terminfo_Colors;
-	if (b != SLSMG_COLOR_DEFAULT) b %= Max_Terminfo_Colors;
-	return ((f << 8) | (b << 16));
-     }
-
-   /* Otherwise we have 8 ansi colors.  Try to get bright versions
-    * by using the BOLD and BLINK attributes.
-    */
-
-   attr = 0;
-
-   /* Note:  If f represents default, it will have the value 0xFF */
-   if (f != SLSMG_COLOR_DEFAULT)
-     {
-	if (f & 0x8) attr = SLTT_BOLD_MASK;
-	f &= 0x7;
-     }
-
-   if (b != SLSMG_COLOR_DEFAULT)
-     {
-	if (b & 0x8) attr |= SLTT_BLINK_MASK;
-	b &= 0x7;
-     }
-
-   return ((f << 8) | (b << 16) | attr);
-}
-
-/* This looks for colors with name form 'colorN'.  If color is of this
- * form, N is passed back via paramter list.
- */
-static int parse_color_digit_name (char *color, SLtt_Char_Type *f)
-{
-   unsigned int i;
-   unsigned char ch;
-
-   if (strncmp (color, "color", 5))
-     return -1;
-
-   color += 5;
-   if (*color == 0)
-     return -1;
-
-   i = 0;
-   while (1)
-     {
-	ch = (unsigned char) *color++;
-	if (ch == 0)
-	  break;
-	if ((ch > '9') || (ch < '0'))
-	  return -1;
-	i = 10 * i + (ch - '0');
-     }
-
-   *f = (SLtt_Char_Type) i;
-   return 0;
-}
-
-static int make_color_fgbg (char *fg, char *bg, SLtt_Char_Type *fgbg)
-{
-   SLtt_Char_Type f = 0xFFFFFFFFU, b = 0xFFFFFFFFU;
-   char *dfg, *dbg;
-   unsigned int i;
-
-   if ((fg != NULL) && (*fg == 0)) fg = NULL;
-   if ((bg != NULL) && (*bg == 0)) bg = NULL;
-
-   if ((fg == NULL) || (bg == NULL))
-     {
-	if (-1 == get_default_colors (&dfg, &dbg))
-	  return -1;
-
-	if (fg == NULL) fg = dfg;
-	if (bg == NULL) bg = dbg;
-     }
-
-   if (-1 == parse_color_digit_name (fg, &f))
-     {
-	for (i = 0; i < MAX_COLOR_NAMES; i++)
-	  {
-	     if (strcmp(fg, Color_Defs[i].name)) continue;
-	     f = Color_Defs[i].color;
-	     break;
-	  }
-     }
-
-   if (-1 == parse_color_digit_name (bg, &b))
-     {
-	for (i = 0; i < MAX_COLOR_NAMES; i++)
-	  {
-	     if (strcmp(bg, Color_Defs[i].name)) continue;
-	     b = Color_Defs[i].color;
-	     break;
-	  }
-     }
-
-   if ((f == 0xFFFFFFFFU) || (b == 0xFFFFFFFFU))
-     return -1;
-
-   *fgbg = fb_to_fgbg (f, b);
-   return 0;
-}
-
-void SLtt_set_color (int obj, char *what, char *fg, char *bg)
-{
-   SLtt_Char_Type fgbg;
-
-   (void) what;
-   if ((obj < 0) || (obj >= JMAX_COLORS))
-     return;
-
-   if (-1 != make_color_fgbg (fg, bg, &fgbg))
-     SLtt_set_color_object (obj, fgbg);
-}
-
-void SLtt_set_color_fgbg (int obj, SLtt_Char_Type f, SLtt_Char_Type b)
-{
-   SLtt_set_color_object (obj, fb_to_fgbg (f, b));
-}
-
-void SLtt_set_color_esc (int obj, char *esc)
-{
-   char *cust_esc;
-   SLtt_Char_Type fgbg = 0;
-   int i;
-
-   if ((obj < 0) || (obj >= JMAX_COLORS))
-     {
-	return;
-     }
-
-   cust_esc = Ansi_Color_Map[obj].custom_esc;
-   if (cust_esc != NULL)
-     {
-	SLfree (cust_esc);
-	FgBg_Stats[(Ansi_Color_Map[obj].fgbg >> 8) & 0x7F] -= 1;
-     }
-
-   cust_esc = (char *) SLmalloc (strlen(esc) + 1);
-   if (cust_esc != NULL) strcpy (cust_esc, esc);
-
-   Ansi_Color_Map[obj].custom_esc = cust_esc;
-   if (cust_esc == NULL) fgbg = 0;
-   else
-     {
-	/* The whole point of this is to generate a unique fgbg */
-	for (i = 0; i < JMAX_COLORS; i++)
-	  {
-	     if (FgBg_Stats[i] == 0) fgbg = i;
-
-	     if (obj == i) continue;
-	     if ((Ansi_Color_Map[i].custom_esc) == NULL) continue;
-	     if (!strcmp (Ansi_Color_Map[i].custom_esc, cust_esc))
-	       {
-		  fgbg = (Ansi_Color_Map[i].fgbg >> 8) & 0x7F;
-		  break;
-	       }
-	  }
-	FgBg_Stats[fgbg] += 1;
-     }
-
-   fgbg |= 0x80;
-   Ansi_Color_Map[obj].fgbg = (fgbg | (fgbg << 8)) << 8;
-   if (obj == 0) Color_0_Modified = 1;
-   if (_SLtt_color_changed_hook != NULL)
-     (*_SLtt_color_changed_hook)();
-}
-
-void SLtt_set_alt_char_set (int i)
-{
-   static int last_i;
-   if (SLtt_Has_Alt_Charset == 0) return;
-   if (i == last_i) return;
-   tt_write_string (i ? Start_Alt_Chars_Str : End_Alt_Chars_Str );
-   last_i = i;
-}
-
-static void write_attributes (SLtt_Char_Type fgbg)
-{
-   int bg0, fg0;
-   int unknown_attributes;
-
-   if (Worthless_Highlight) return;
-   if (fgbg == Current_Fgbg) return;
-
-   unknown_attributes = 0;
-
-   /* Before spitting out colors, fix attributes */
-   if ((fgbg & ATTR_MASK) != (Current_Fgbg & ATTR_MASK))
-     {
-	if (Current_Fgbg & ATTR_MASK)
-	  {
-	     tt_write_string(Norm_Vid_Str);
-	     /* In case normal video turns off ALL attributes: */
-	     if (fgbg & SLTT_ALTC_MASK)
-	       Current_Fgbg &= ~SLTT_ALTC_MASK;
-	     SLtt_set_alt_char_set (0);
-	  }
-
-	if ((fgbg & SLTT_ALTC_MASK)
-	    != (Current_Fgbg & SLTT_ALTC_MASK))
-	  {
-	     SLtt_set_alt_char_set ((int) (fgbg & SLTT_ALTC_MASK));
-	  }
-
-	if (fgbg & SLTT_ULINE_MASK) tt_write_string (UnderLine_Vid_Str);
-	if (fgbg & SLTT_BOLD_MASK) SLtt_bold_video ();
-	if (fgbg & SLTT_REV_MASK) tt_write_string (Rev_Vid_Str);
-	if (fgbg & SLTT_BLINK_MASK)
-	  {
-	     /* Someday Linux will have a blink mode that set high intensity
-	      * background.  Lets be prepared.
-	      */
-	     if (SLtt_Blink_Mode) tt_write_string (Blink_Vid_Str);
-	  }
-	unknown_attributes = 1;
-     }
-
-   if (SLtt_Use_Ansi_Colors)
-     {
-	fg0 = (int) GET_FG(fgbg);
-	bg0 = (int) GET_BG(fgbg);
-
-	if (unknown_attributes 
-	    || (fg0 != (int)GET_FG(Current_Fgbg)))
-	  {
-	     if (fg0 == SLSMG_COLOR_DEFAULT)
-	       tt_write_string (Default_Color_Fg_Str);
-	     else
-	       tt_printf (Color_Fg_Str, fg0, 0);
-	  }
-
-	if (unknown_attributes
-	    || (bg0 != (int)GET_BG(Current_Fgbg)))
-	  {
-	     if (bg0 == SLSMG_COLOR_DEFAULT)
-	       tt_write_string (Default_Color_Bg_Str);
-	     else
-	       tt_printf (Color_Bg_Str, bg0, 0);
-	  }
-     }
-
-   Current_Fgbg = fgbg;
-}
-
-static int Video_Initialized;
-
-void SLtt_reverse_video (int color)
-{
-   SLtt_Char_Type fgbg;
-   char *esc;
-
-   if (Worthless_Highlight) return;
-   if ((color < 0) || (color >= JMAX_COLORS)) return;
-
-   if (Video_Initialized == 0)
-     {
-	if (color == JNORMAL_COLOR)
-	  {
-	     tt_write_string (Norm_Vid_Str);
-	  }
-	else tt_write_string (Rev_Vid_Str);
-	Current_Fgbg = 0xFFFFFFFFU;
-	return;
-     }
-
-   if (SLtt_Use_Ansi_Colors)
-     {
-	fgbg = Ansi_Color_Map[color].fgbg;
-	if ((esc = Ansi_Color_Map[color].custom_esc) != NULL)
-	  {
-	     if (fgbg != Current_Fgbg)
-	       {
-		  Current_Fgbg = fgbg;
-		  tt_write_string (esc);
-		  return;
-	       }
-	  }
-     }
-   else fgbg = Ansi_Color_Map[color].mono;
-
-   if (fgbg == Current_Fgbg) return;
-   write_attributes (fgbg);
-}
-
-void SLtt_normal_video (void)
-{
-   SLtt_reverse_video(JNORMAL_COLOR);
-}
-
-void SLtt_narrow_width (void)
-{
-   tt_write_string("\033[?3l");
-}
-
-void SLtt_wide_width (void)
-{
-   tt_write_string("\033[?3h");
-}
-
-/* Highest bit represents the character set. */
-#define COLOR_MASK 0x7F00
-
-#if SLTT_HAS_NON_BCE_SUPPORT
-static int bce_color_eqs (unsigned int a, unsigned int b)
-{
-   a = (a & COLOR_MASK) >> 8;
-   b = (b & COLOR_MASK) >> 8;
-   
-   if (a == b)
-     return 1;
-
-   if (SLtt_Use_Ansi_Colors == 0)
-     return Ansi_Color_Map[a].mono == Ansi_Color_Map[b].mono;
-   
-   if (Bce_Color_Offset == 0)
-     return Ansi_Color_Map[a].fgbg == Ansi_Color_Map[b].fgbg;
-   
-   /* If either are color 0, then we do not know what that means since the
-    * terminal does not support BCE */
-   if ((a == 0) || (b == 0))
-     return 0;
-     
-   return Ansi_Color_Map[a-1].fgbg == Ansi_Color_Map[b-1].fgbg;
-}
-#define COLOR_EQS(a,b) bce_color_eqs (a,b)
-#else
-# define COLOR_OF(x) (((unsigned int)(x) & COLOR_MASK) >> 8)
-# define COLOR_EQS(a, b) \
-   (SLtt_Use_Ansi_Colors \
-    ? (Ansi_Color_Map[COLOR_OF(a)].fgbg == Ansi_Color_Map[COLOR_OF(b)].fgbg)\
-    :  (Ansi_Color_Map[COLOR_OF(a)].mono == Ansi_Color_Map[COLOR_OF(b)].mono))
-#endif
-
-#define CHAR_EQS(a, b) (((a) == (b))\
-			|| ((((a) & ~COLOR_MASK) == ((b) & ~COLOR_MASK))\
-			    && COLOR_EQS((a), (b))))
-
-/* The whole point of this routine is to prevent writing to the last column
- * and last row on terminals with automatic margins.
- */
-static void write_string_with_care (char *str)
-{
-   unsigned int len;
-
-   if (str == NULL) return;
-
-   len = strlen (str);
-   if (Automatic_Margins && (Cursor_r + 1 == SLtt_Screen_Rows))
-     {
-	if (len + (unsigned int) Cursor_c >= (unsigned int) SLtt_Screen_Cols)
-	  {
-	     /* For now, just do not write there.  Later, something more
-	      * sophisticated will be implemented.
-	      */
-	     if (SLtt_Screen_Cols > Cursor_c)
-	       len = SLtt_Screen_Cols - Cursor_c - 1;
-	     else 
-	       len = 0;
-	  }
-     }
-   tt_write (str, len);
-}
-
-static void send_attr_str (SLsmg_Char_Type *s)
-{
-   unsigned char out[256], ch, *p;
-   register SLtt_Char_Type attr;
-   register SLsmg_Char_Type sh;
-   int color, last_color = -1;
-
-   p = out;
-   while (0 != (sh = *s++))
-     {
-	ch = sh & 0xFF;
-	color = ((int) sh & 0xFF00) >> 8;
-
-#if SLTT_HAS_NON_BCE_SUPPORT
-	if (Bce_Color_Offset
-	    && (color >= Bce_Color_Offset))
-	  color -= Bce_Color_Offset;
-#endif
-
-	if (color != last_color)
-	  {
-	     if (SLtt_Use_Ansi_Colors) attr = Ansi_Color_Map[color & 0x7F].fgbg;
-	     else attr = Ansi_Color_Map[color & 0x7F].mono;
-
-	     if (sh & 0x8000) /* alternate char set */
-	       {
-		  if (SLtt_Use_Blink_For_ACS)
-		    {
-		       if (SLtt_Blink_Mode) attr |= SLTT_BLINK_MASK;
-		    }
-		  else attr |= SLTT_ALTC_MASK;
-	       }
-
-	     if (attr != Current_Fgbg)
-	       {
-		  if ((ch != ' ') ||
-		      /* it is a space so only consider it different if it
-		       * has different attributes.
-		       */
-		      (attr & BGALL_MASK) != (Current_Fgbg & BGALL_MASK))
-		    {
-		       if (p != out)
-			 {
-			    *p = 0;
-			    write_string_with_care ((char *) out);
-			    Cursor_c += (int) (p - out);
-			    p = out;
-			 }
-
-		       if (SLtt_Use_Ansi_Colors && (NULL != Ansi_Color_Map[color & 0x7F].custom_esc))
-			 {
-			    tt_write_string (Ansi_Color_Map[color & 0x7F].custom_esc);
-			    /* Just in case the custom escape sequence screwed up
-			     * the alt character set state...
-			     */
-	                    if ((attr & SLTT_ALTC_MASK) != (Current_Fgbg & SLTT_ALTC_MASK))
-			      SLtt_set_alt_char_set ((int) (attr & SLTT_ALTC_MASK));
-			    Current_Fgbg = attr;
-			 }
-		       else write_attributes (attr);
-
-		       last_color = color;
-		    }
-	       }
-	  }
-	*p++ = ch;
-     }
-   *p = 0;
-   if (p != out) write_string_with_care ((char *) out);
-   Cursor_c += (int) (p - out);
-}
-
-static void forward_cursor (unsigned int n, int row)
-{
-   char buf [1024];
-
-   if (n <= 4)
-     {
-	SLtt_normal_video ();
-	SLMEMSET (buf, ' ', n);
-	buf[n] = 0;
-	write_string_with_care (buf);
-	Cursor_c += n;
-     }
-   else if (Curs_F_Str != NULL)
-     {
-	Cursor_c += n;
-	n = tt_sprintf(buf, Curs_F_Str, (int) n, 0);
-	tt_write(buf, n);
-     }
-   else SLtt_goto_rc (row, (int) (Cursor_c + n));
-}
-
-
-void SLtt_smart_puts(SLsmg_Char_Type *neww, SLsmg_Char_Type *oldd, int len, int row)
-{
-   register SLsmg_Char_Type *p, *q, *qmax, *pmax, *buf;
-   SLsmg_Char_Type buffer[256];
-   unsigned int n_spaces;
-   SLsmg_Char_Type *space_match, *last_buffered_match;
-#ifdef HP_GLITCH_CODE
-   int handle_hp_glitch = 0;
-#endif
-   SLsmg_Char_Type space_char;
-#define SLTT_USE_INSERT_HACK 1
-#if SLTT_USE_INSERT_HACK
-   SLsmg_Char_Type insert_hack_prev = 0;
-   SLsmg_Char_Type insert_hack_char = 0;
-
-   if ((row + 1 == SLtt_Screen_Rows)
-       && (len == SLtt_Screen_Cols)
-       && (len > 1)
-       && (SLtt_Term_Cannot_Insert == 0)
-       && Automatic_Margins)
-     {
-	insert_hack_char = neww[len-1];
-	if (oldd[len-1] == insert_hack_char)
-	  insert_hack_char = 0;
-	else 
-	  insert_hack_prev = neww[len-2];
-     }
-#endif
-     
-   q = oldd; p = neww;
-   qmax = oldd + len;
-   pmax = p + len;
-
-   /* Find out where to begin --- while they match, we are ok */
-   while (1)
-     {
-	if (q == qmax) return;
-#if SLANG_HAS_KANJI_SUPPORT
-	if (*p & 0x80)
-	  { /* new is kanji */
-	     if ((*q & 0x80) && ((q + 1) < qmax))
-	       { /* old is also kanji */
-		  if (((0xFF & *q) != (0xFF & *p))
-		      || ((0xFF & q[1]) != (0xFF & p[1])))
-		    break; /* both kanji, but not match */
-
-		  else
-		    { /* kanji match ! */
-		       if (!COLOR_EQS(*q, *p)) break;
-		       q++; p++;
-		       if (!COLOR_EQS(*q, *p)) break;
-		       /* really match! */
-		       q++; p++;
-		       continue;
-		    }
-	       }
-	     else break; /* old is not kanji */
-	  }
-	else
-	  { /* new is not kanji */
-	     if (*q & 0x80) break; /* old is kanji */
-	  }
-#endif
-	if (!CHAR_EQS(*q, *p)) break;
-	q++; p++;
-     }
-
-#ifdef HP_GLITCH_CODE
-   if (Has_HP_Glitch)
-     {
-	SLsmg_Char_Type *qq = q;
-
-	SLtt_goto_rc (row, (int) (p - neww));
-
-	while (qq < qmax)
-	  {
-	     if (*qq & 0xFF00)
-	       {
-		  SLtt_normal_video ();
-		  SLtt_del_eol ();
-		  qmax = q;
-		  handle_hp_glitch = 1;
-		  break;
-	       }
-	     qq++;
-	  }
-     }
-#endif
-   /* Find where the last non-blank character on old/new screen is */
-
-   space_char = ' ';
-   if ((*(pmax-1) & 0xFF) == ' ')
-     {
-	/* If we get here, then we can erase to the end of the line to create
-	 * the final space.  However, this will only work _if_ erasing will 
-	 * get us the correct color.  If the terminal supports BCE, then this
-	 * is easy.  If it does not, then we can only perform this operation
-	 * if the color is known via something like COLORFGBG.  For now, 
-	 * I just will not perform the optimization for such terminals.
-	 */
-	if ((Can_Background_Color_Erase)
-	    && SLtt_Use_Ansi_Colors)
-	  space_char = *(pmax - 1);
-
-	while (pmax > p)
-	  {
-	     pmax--;
-	     if (!CHAR_EQS(*pmax, space_char))
-	       {
-		  pmax++;
-		  break;
-	       }
-	  }
-     }
-
-   while (qmax > q)
-     {
-	qmax--;
-	if (!CHAR_EQS(*qmax, space_char))
-	  {
-	     qmax++;
-	     break;
-	  }
-     }
-
-   last_buffered_match = buf = buffer;		       /* buffer is empty */
-
-#ifdef HP_GLITCH_CODE
-   if (handle_hp_glitch)
-     {
-	while (p < pmax)
-	  {
-	     *buf++ = *p++;
-	  }
-     }
-#endif
-
-#ifdef HP_GLITCH_CODE
-   if (Has_HP_Glitch == 0)
-     {
-#endif
-	/* Try use use erase to bol if possible */
-	if ((Del_Bol_Str != NULL) && ((*neww & 0xFF) == 32))
-	  {
-	     SLsmg_Char_Type *p1;
-	     SLsmg_Char_Type blank;
-
-	     p1 = neww;
-	     if ((Can_Background_Color_Erase)
-		 && SLtt_Use_Ansi_Colors)
-	       blank = *p1;
-	     /* black+white attributes do not support bce */
-	     else
-	       blank = 32;
-
-	     while ((p1 < pmax) && (CHAR_EQS (*p1, blank)))
-	       p1++;
-
-	     /* Is this optimization worth it?  Assume Del_Bol_Str is ESC [ 1 K
-	      * It costs 4 chars + the space needed to properly position the 
-	      * cursor, e.g., ESC [ 10;10H. So, it costs at least 13 characters.
-	      */
-	     if ((p1 > neww + 13) 
-		 && (p1 >= p)
-		 /* Avoid erasing from the end of the line */
-		 && ((p1 != pmax) || (pmax < neww + len)))
-	       {
-		  int ofs = (int) (p1 - neww);
-		  q = oldd + ofs;
-		  p = p1;
-		  SLtt_goto_rc (row, ofs - 1);
-		  SLtt_reverse_video (blank >> 8);
-		  tt_write_string (Del_Bol_Str);
-		  tt_write (" ", 1);
-		  Cursor_c += 1;
-	       }
-	     else
-	       SLtt_goto_rc (row, (int) (p - neww));
-	  }
-	else
-	  SLtt_goto_rc (row, (int) (p - neww));
-#ifdef HP_GLITCH_CODE
-     }
-#endif
-   
-   
-   /* loop using overwrite then skip algorithm until done */
-   while (1)
-     {
-	/* while they do not match and we do not hit a space, buffer them up */
-	n_spaces = 0;
-	while (p < pmax)
-	  {
-	     if (CHAR_EQS(*q, 32) && CHAR_EQS(*p, 32))
-	       {
-		  /* If *q is not a space, we would have to overwrite it.
-		   * However, if *q is a space, then while *p is also one,
-		   * we only need to skip over the blank field.
-		   */
-		  space_match = p;
-		  p++; q++;
-		  while ((p < pmax)
-			 && CHAR_EQS(*q, 32)
-			 && CHAR_EQS(*p, 32))
-		    {
-		       p++;
-		       q++;
-		    }
-		  n_spaces = (unsigned int) (p - space_match);
-		  break;
-	       }
-#if SLANG_HAS_KANJI_SUPPORT
-	     if ((*p & 0x80) && ((p + 1) < pmax))
-	       { /* new is kanji */
-		  if (*q & 0x80)
-		    { /* old is also kanji */
-		       if (((0xFF & *q) != (0xFF & *p))
-			   || ((0xFF & q[1]) != (0xFF & p[1])))
-			 {
-			    /* both kanji, but not match */
-			    *buf++ = *p++;
-			    *buf++ = *p++;
-			    q += 2;
-			    continue;
-			 }
-		       else
-			 { /* kanji match ? */
-			    if (!COLOR_EQS(*q, *p) || !COLOR_EQS(*(q+1), *(p+1)))
-			      {
-				 /* code is match, but color is diff */
-				 *buf++ = *p++;
-				 *buf++ = *p++;
-				 q += 2;
-				 continue;
-			      }
-			    /* really match ! */
-			    break;
-			 }
-		    }
- 		  else
-		    { /* old is not kanji */
-		       *buf++ = *p++;
-		       *buf++ = *p++;
-		       q += 2;
-		       continue;
-		    }
-	       }
-	     else
-	       { /* new is not kanji */
- 		  if (*q & 0x80)
-		    { /* old is kanji */
-		       *buf++ = *p++;
-		       q++;
-		       continue;
-		    }
-	       }
-#endif
-
-	     if (CHAR_EQS(*q, *p)) break;
-	     *buf++ = *p++;
-	     q++;
-	  }
-	*buf = 0;
-
-	if (buf != buffer) send_attr_str (buffer);
-	buf = buffer;
-
-	if (n_spaces 
-	    && ((p < pmax) 	       /* erase to eol will achieve this effect*/
-		|| (space_char != 32)))/* unless space_char is not a simple space */
-	  {
-	     forward_cursor (n_spaces, row);
-	  }
-
-	/* Now we overwrote what we could and cursor is placed at position
-	 * of a possible match of new and old.  If this is the case, skip
-	 * some more.
-	 */
-#if !SLANG_HAS_KANJI_SUPPORT
-	while ((p < pmax) && CHAR_EQS(*p, *q))
-	  {
-	     *buf++ = *p++;
-	     q++;
-	  }
-#else
-	/* Kanji */
-	while (p < pmax)
-	  {
-	     if ((*p & 0x80) && ((p + 1) < pmax))
-	       { /* new is kanji */
-		  if (*q & 0x80)
-		    { /* old is also kanji */
-		       if (((0xFF & *q) == (0xFF & *p))
-			   && ((0xFF & q[1]) == (0xFF & p[1])))
-			 {
-			    /* kanji match ? */
-			    if (!COLOR_EQS(*q, *p)
-				|| !COLOR_EQS(q[1], p[1]))
-			      break;
-
-			    *buf++ = *p++;
-			    q++;
-			    if (p >= pmax)
-			      {
-				 *buf++ = 32;
-				 p++;
-				 break;
-			      }
-			    else
-			      {
-				 *buf++ = *p++;
-				 q++;
-				 continue;
-			      }
-			 }
-		       else break; /* both kanji, but not match */
-		    }
-		  else break; /* old is not kanji */
-	       }
-	     else
-	       {  /* new is not kanji */
-		  if (*q & 0x80) break; /* old is kanji */
-		  if (!CHAR_EQS(*q, *p)) break;
-		  *buf++ = *p++;
-		  q++;
-	       }
-	  }
-#endif
-	last_buffered_match = buf;
-	if (p >= pmax) break;
-
-	/* jump to new position is it is greater than 5 otherwise
-	 * let it sit in the buffer and output it later.
-	 */
-	if ((int) (buf - buffer) >= 5)
-	  {
-	     forward_cursor ((unsigned int) (buf - buffer), row);
-	     last_buffered_match = buf = buffer;
-	  }
-     }
-
-   if (buf != buffer)
-     {
-	if (q < qmax)
-	  {
-	     if ((buf == last_buffered_match)
-		 && ((int) (buf - buffer) >= 5))
-	       {
-		  forward_cursor ((unsigned int) (buf - buffer), row);
-	       }
-	     else
-	       {
-		  *buf = 0;
-		  send_attr_str (buffer);
-	       }
-	  }
-     }
-
-   if (q < qmax) 
-     {
-	SLtt_reverse_video (space_char >> 8);
-	del_eol ();
-     }
-   
-#if SLTT_USE_INSERT_HACK
-   else if (insert_hack_char)
-     {
-	SLtt_goto_rc (SLtt_Screen_Rows-1, SLtt_Screen_Cols-2);
-	buffer[0] = insert_hack_char;
-	buffer[1] = 0;
-	send_attr_str (buffer);
-	SLtt_goto_rc (SLtt_Screen_Rows-1, SLtt_Screen_Cols-2);
-	buffer[0] = insert_hack_prev;
-	SLtt_begin_insert ();
-	send_attr_str (buffer);
-	SLtt_end_insert ();
-     }
-#endif
-
-   if (Automatic_Margins && (Cursor_c + 1 >= SLtt_Screen_Cols)) Cursor_Set = 0;
-}
-
-static void get_color_info (void)
-{
-   char *fg, *bg;
-
-   /* Allow easy mechanism to override inadequate termcap/terminfo files. */
-   if (SLtt_Use_Ansi_Colors == 0)
-     SLtt_Use_Ansi_Colors = (NULL != getenv ("COLORTERM"));
-
-   if (SLtt_Use_Ansi_Colors)
-     Is_Color_Terminal = 1;
-
-#if SLTT_HAS_NON_BCE_SUPPORT
-   if (Can_Background_Color_Erase == 0)
-     Can_Background_Color_Erase = (NULL != getenv ("COLORTERM_BCE"));
-#endif
-
-   if (-1 == get_default_colors (&fg, &bg))
-     return;
-
-   /* Check to see if application has already set them. */
-   if (Color_0_Modified)
-     return;
-
-   SLtt_set_color (0, NULL, fg, bg);
-   SLtt_set_color (1, NULL, bg, fg);
-}
-
-/* termcap stuff */
-
-#ifdef __unix__
-
-static int Termcap_Initalized = 0;
-
-#ifdef USE_TERMCAP
-/* Termcap based system */
-static char Termcap_Buf[4096];
-static char Termcap_String_Buf[4096];
-static char *Termcap_String_Ptr;
-extern char *tgetstr(char *, char **);
-extern int tgetent(char *, char *);
-extern int tgetnum(char *);
-extern int tgetflag(char *);
-#else
-/* Terminfo */
-static SLterminfo_Type *Terminfo;
-#endif
-
-#define TGETFLAG(x) (SLtt_tgetflag(x) > 0)
-
-static char *fixup_tgetstr (char *what)
-{
-   register char *w, *w1;
-   char *wsave;
-   
-   if (what == NULL)
-     return NULL;
-
-   /* Check for AIX brain-damage */
-   if (*what == '@')
-     return NULL;
-
-   /* lose pad info --- with today's technology, term is a loser if
-    it is really needed */
-   while ((*what == '.') ||
-	  ((*what >= '0') && (*what <= '9'))) what++;
-   if (*what == '*') what++;
-   
-   /* lose terminfo padding--- looks like $<...> */
-   w = what;
-   while (*w) if ((*w++ == '$') && (*w == '<'))
-     {
-	w1 = w - 1;
-	while (*w && (*w != '>')) w++;
-	if (*w == 0) break;
-	w++;
-	wsave = w1;
-	while ((*w1++ = *w++) != 0);
-	w = wsave;
-     }
-
-   if (*what == 0) what = NULL;
-   return what;
-}
-
-char *SLtt_tgetstr (char *s)
-{
-   if (Termcap_Initalized == 0)
-     return NULL;
-   
-#ifdef USE_TERMCAP
-   s = tgetstr (s, &Termcap_String_Ptr);
-#else
-   s = _SLtt_tigetstr (Terminfo, s);
-#endif
-   return fixup_tgetstr (s);
-}
-
-int SLtt_tgetnum (char *s)
-{
-   if (Termcap_Initalized == 0)
-     return -1;
-#ifdef USE_TERMCAP
-   return tgetnum (s);
-#else
-   return _SLtt_tigetnum (Terminfo, s);
-#endif
-}
-
-int SLtt_tgetflag (char *s)
-{
-   if (Termcap_Initalized == 0)
-     return -1;
-#ifdef USE_TERMCAP
-   return tgetflag (s);
-#else
-   return _SLtt_tigetflag (Terminfo, s);
-#endif
-}
-
-static int Vt100_Like = 0;
-
-void SLtt_get_terminfo (void)
-{
-   char *term;
-   int status;
-
-   term = getenv ("TERM");
-   if (term == NULL)
-     SLang_exit_error("TERM environment variable needs set.");
-
-   if (0 == (status = SLtt_initialize (term)))
-     return;
-
-   if (status == -1)
-     {
-	SLang_exit_error ("Unknown terminal: %s\n\
-Check the TERM environment variable.\n\
-Also make sure that the terminal is defined in the terminfo database.\n\
-Alternatively, set the TERMCAP environment variable to the desired\n\
-termcap entry.",
-			  term);
-     }
-
-   if (status == -2)
-     {
-	SLang_exit_error ("\
-Your terminal lacks the ability to clear the screen or position the cursor.\n");
-     }
-}
-
-/* Returns 0 if all goes well, -1 if terminal capabilities cannot be deduced,
- * or -2 if terminal cannot position the cursor.
- */
-int SLtt_initialize (char *term)
-{
-   char *t, ch;
-   int is_xterm;
-   int almost_vtxxx;
-
-   if (SLang_TT_Write_FD == -1)
-     {
-	/* Apparantly, this cannot fail according to the man pages. */
-	SLang_TT_Write_FD = fileno (stdout);
-     }
-   
-   if (term == NULL)
-     {
-	term = getenv ("TERM");
-	if (term == NULL)
-	  return -1;
-     }
-
-   Linux_Console = (!strncmp (term, "linux", 5)
-# ifdef linux
-		    || !strncmp(term, "con", 3)
-# endif
-		    );
-
-   t = term;
-
-   if (strcmp(t, "vt52") && (*t++ == 'v') && (*t++ == 't')
-       && (ch = *t, (ch >= '1') && (ch <= '9'))) Vt100_Like = 1;
-
-   is_xterm = ((0 == strncmp (term, "xterm", 5))
-	       || (0 == strncmp (term, "rxvt", 4))
-	       || (0 == strncmp (term, "Eterm", 5)));
-
-   almost_vtxxx = (Vt100_Like
-		   || Linux_Console
-		   || is_xterm
-		   || !strcmp (term, "screen"));
-
-# ifndef USE_TERMCAP
-   if (NULL == (Terminfo = _SLtt_tigetent (term)))
-     {
-	if (almost_vtxxx) /* Special cases. */
-	  {
-	     int vt102 = 1;
-	     if (!strcmp (term, "vt100")) vt102 = 0;
-	     get_color_info ();
-   	     SLtt_set_term_vtxxx (&vt102);
-	     return 0;
-	  }
-	return -1;
-     }
-# else				       /* USE_TERMCAP */
-   if (1 != tgetent(Termcap_Buf, term))
-     return -1;
-   Termcap_String_Ptr = Termcap_String_Buf;
-# endif				       /* NOT USE_TERMCAP */
-
-   Termcap_Initalized = 1;
-
-   Cls_Str = SLtt_tgetstr ("cl");
-   Curs_Pos_Str = SLtt_tgetstr ("cm");
-
-   if ((NULL == (Ins_Mode_Str = SLtt_tgetstr("im")))
-       || ( NULL == (Eins_Mode_Str = SLtt_tgetstr("ei")))
-       || ( NULL == (Del_Char_Str = SLtt_tgetstr("dc"))))
-     SLtt_Term_Cannot_Insert = 1;
-
-   Visible_Bell_Str = SLtt_tgetstr ("vb");
-   Curs_Up_Str = SLtt_tgetstr ("up");
-   Rev_Scroll_Str = SLtt_tgetstr("sr");
-   Del_N_Lines_Str = SLtt_tgetstr("DL");
-   Add_N_Lines_Str = SLtt_tgetstr("AL");
-
-   /* Actually these are used to initialize terminals that use cursor
-    * addressing.  Hard to believe.
-    */
-   Term_Init_Str = SLtt_tgetstr ("ti");
-   Term_Reset_Str = SLtt_tgetstr ("te");
-
-   /* If I do this for vtxxx terminals, arrow keys start sending ESC O A,
-    * which I do not want.  This is mainly for HP terminals.
-    */
-   if ((almost_vtxxx == 0) || SLtt_Force_Keypad_Init)
-     {
-	Keypad_Init_Str = SLtt_tgetstr ("ks");
-	Keypad_Reset_Str = SLtt_tgetstr ("ke");
-     }
-
-   /* Make up for defective termcap/terminfo databases */
-   if ((Vt100_Like && (term[2] != '1'))
-       || Linux_Console
-       || is_xterm
-       )
-     {
-	if (Del_N_Lines_Str == NULL) Del_N_Lines_Str = "\033[%dM";
-	if (Add_N_Lines_Str == NULL) Add_N_Lines_Str = "\033[%dL";
-     }
-
-   Scroll_R_Str = SLtt_tgetstr("cs");
-
-   SLtt_get_screen_size ();
-
-   if ((Scroll_R_Str == NULL)
-       || (((NULL == Del_N_Lines_Str) || (NULL == Add_N_Lines_Str))
-	   && (NULL == Rev_Scroll_Str)))
-     {
-	if (is_xterm
-	    || Linux_Console
-	    )
-	  {
-	     /* Defective termcap mode!!!! */
-	     SLtt_set_term_vtxxx (NULL);
-	  }
-	else SLtt_Term_Cannot_Scroll = 1;
-     }
-
-   Del_Eol_Str = SLtt_tgetstr("ce");
-   Del_Bol_Str = SLtt_tgetstr("cb");
-   if (is_xterm && (Del_Bol_Str == NULL))
-     Del_Bol_Str = "\033[1K";
-   if (is_xterm && (Del_Eol_Str == NULL))
-     Del_Bol_Str = "\033[K";
-
-   Rev_Vid_Str = SLtt_tgetstr("mr");
-   if (Rev_Vid_Str == NULL) Rev_Vid_Str = SLtt_tgetstr("so");
-
-   Bold_Vid_Str = SLtt_tgetstr("md");
-
-   /* Although xterm cannot blink, it does display the blinking characters
-    * as bold ones.  Some Rxvt will display the background as high intensity.
-    */
-   if ((NULL == (Blink_Vid_Str = SLtt_tgetstr("mb")))
-       && is_xterm)
-     Blink_Vid_Str = "\033[5m";
-
-   UnderLine_Vid_Str = SLtt_tgetstr("us");
-
-   Start_Alt_Chars_Str = SLtt_tgetstr ("as");   /* smacs */
-   End_Alt_Chars_Str = SLtt_tgetstr ("ae");   /* rmacs */
-   Enable_Alt_Char_Set = SLtt_tgetstr ("eA");   /* enacs */
-   SLtt_Graphics_Char_Pairs = SLtt_tgetstr ("ac");
-
-   if (NULL == SLtt_Graphics_Char_Pairs)
-     {
-	/* make up for defective termcap/terminfo */
-	if (Vt100_Like)
-	  {
-	     Start_Alt_Chars_Str = "\016";
-	     End_Alt_Chars_Str = "\017";
-	     Enable_Alt_Char_Set = "\033)0";
-	  }
-     }
-
-    /* aixterm added by willi */
-   if (is_xterm || !strncmp (term, "aixterm", 7))
-     {
-	Start_Alt_Chars_Str = "\016";
-	End_Alt_Chars_Str = "\017";
-	Enable_Alt_Char_Set = "\033(B\033)0";
-     }
-
-   if ((SLtt_Graphics_Char_Pairs == NULL) &&
-       ((Start_Alt_Chars_Str == NULL) || (End_Alt_Chars_Str == NULL)))
-     {
-	SLtt_Has_Alt_Charset = 0;
-	Enable_Alt_Char_Set = NULL;
-     }
-   else SLtt_Has_Alt_Charset = 1;
-
-#ifdef AMIGA
-   Enable_Alt_Char_Set = Start_Alt_Chars_Str = End_Alt_Chars_Str = NULL;
-#endif
-
-   /* status line capabilities */
-   if ((SLtt_Has_Status_Line == -1)
-       && (0 != (SLtt_Has_Status_Line = TGETFLAG ("hs"))))
-     {
-	Disable_Status_line_Str = SLtt_tgetstr ("ds");
-	Return_From_Status_Line_Str = SLtt_tgetstr ("fs");
-	Goto_Status_Line_Str = SLtt_tgetstr ("ts");
-	/* Status_Line_Esc_Ok = TGETFLAG("es"); */
-	Num_Status_Line_Columns = SLtt_tgetnum ("ws");
-	if (Num_Status_Line_Columns < 0) Num_Status_Line_Columns = 0;
-     }
-
-   if (NULL == (Norm_Vid_Str = SLtt_tgetstr("me")))
-     {
-	Norm_Vid_Str = SLtt_tgetstr("se");
-     }
-
-   Cursor_Invisible_Str = SLtt_tgetstr("vi");
-   Cursor_Visible_Str = SLtt_tgetstr("ve");
-
-   Curs_F_Str = SLtt_tgetstr("RI");
-
-# if 0
-   if (NULL != Curs_F_Str)
-     {
-	Len_Curs_F_Str = strlen(Curs_F_Str);
-     }
-   else Len_Curs_F_Str = strlen(Curs_Pos_Str);
-# endif
-
-   Automatic_Margins = TGETFLAG ("am");
-   /* No_Move_In_Standout = !TGETFLAG ("ms"); */
-# ifdef HP_GLITCH_CODE
-   Has_HP_Glitch = TGETFLAG ("xs");
-# else
-   Worthless_Highlight = TGETFLAG ("xs");
-# endif
-
-   if (Worthless_Highlight == 0)
-     {				       /* Magic cookie glitch */
-	Worthless_Highlight = (SLtt_tgetnum ("sg") > 0);
-     }
-
-   if (Worthless_Highlight)
-     SLtt_Has_Alt_Charset = 0;
-
-   Reset_Color_String = SLtt_tgetstr ("op");
-   Color_Fg_Str = SLtt_tgetstr ("AF"); /* ANSI setaf */
-   Color_Bg_Str = SLtt_tgetstr ("AB"); /* ANSI setbf */
-   if ((Color_Fg_Str == NULL) || (Color_Bg_Str == NULL))
-     {
-	Color_Fg_Str = SLtt_tgetstr ("Sf");   /* setf */
-	Color_Bg_Str = SLtt_tgetstr ("Sb");   /* setb */
-     }
-
-   if ((Max_Terminfo_Colors = SLtt_tgetnum ("Co")) < 0)
-     Max_Terminfo_Colors = 8;
-
-   if ((Color_Bg_Str != NULL) && (Color_Fg_Str != NULL))
-     SLtt_Use_Ansi_Colors = 1;
-   else
-     {
-#if 0
-	Color_Fg_Str = "%?%p1%{7}%>%t\033[1;3%p1%{8}%m%dm%e\033[3%p1%dm%;";
-	Color_Bg_Str = "%?%p1%{7}%>%t\033[5;4%p1%{8}%m%dm%e\033[4%p1%dm%;";
-	Max_Terminfo_Colors = 16;
-#else
-	Color_Fg_Str = "\033[3%dm";
-	Color_Bg_Str = "\033[4%dm";
-	Max_Terminfo_Colors = 8;
-#endif
-     }
-
-#if SLTT_HAS_NON_BCE_SUPPORT
-   Can_Background_Color_Erase = TGETFLAG ("ut");   /* bce */
-   /* Modern xterms have the BCE capability as well as the linux console */
-   if (Can_Background_Color_Erase == 0)
-     {
-	Can_Background_Color_Erase = (Linux_Console
-# if SLTT_XTERM_ALWAYS_BCE
-				      || is_xterm
-# endif
-				      );
-     }
-#endif
-   get_color_info ();
-
-  
-   if ((Cls_Str == NULL)
-       || (Curs_Pos_Str == NULL))
-     return -2;
-
-   return 0;
-}
-
-#endif
-/* Unix */
-
-/* specific to vtxxx only */
-void SLtt_enable_cursor_keys (void)
-{
-#ifdef __unix__
-   if (Vt100_Like)
-#endif
-     tt_write_string("\033=\033[?1l");
-}
-
-#ifdef VMS
-int SLtt_initialize (char *term)
-{
-   SLtt_get_terminfo ();
-   return 0;
-}
-
-void SLtt_get_terminfo ()
-{
-   int zero = 0;
-
-   Color_Fg_Str = "\033[3%dm";
-   Color_Bg_Str = "\033[4%dm";
-   Max_Terminfo_Colors = 8;
-
-   get_color_info ();
-
-   SLtt_set_term_vtxxx(&zero);
-   Start_Alt_Chars_Str = "\016";
-   End_Alt_Chars_Str = "\017";
-   SLtt_Has_Alt_Charset = 1;
-   SLtt_Graphics_Char_Pairs = "aaffgghhjjkkllmmnnooqqssttuuvvwwxx";
-   Enable_Alt_Char_Set = "\033(B\033)0";
-   SLtt_get_screen_size ();
-}
-#endif
-
-/* This sets term for vt102 terminals it parameter vt100 is 0.  If vt100
- * is non-zero, set terminal appropriate for a only vt100
- * (no add line capability). */
-
-void SLtt_set_term_vtxxx(int *vt100)
-{
-   Norm_Vid_Str = "\033[m";
-
-   Scroll_R_Str = "\033[%i%d;%dr";
-   Cls_Str = "\033[2J\033[H";
-   Rev_Vid_Str = "\033[7m";
-   Bold_Vid_Str = "\033[1m";
-   Blink_Vid_Str = "\033[5m";
-   UnderLine_Vid_Str = "\033[4m";
-   Del_Eol_Str = "\033[K";
-   Del_Bol_Str = "\033[1K";
-   Rev_Scroll_Str = "\033M";
-   Curs_F_Str = "\033[%dC";
-   /* Len_Curs_F_Str = 5; */
-   Curs_Pos_Str = "\033[%i%d;%dH";
-   if ((vt100 == NULL) || (*vt100 == 0))
-     {
-	Ins_Mode_Str = "\033[4h";
-	Eins_Mode_Str = "\033[4l";
-	Del_Char_Str =  "\033[P";
-	Del_N_Lines_Str = "\033[%dM";
-	Add_N_Lines_Str = "\033[%dL";
-	SLtt_Term_Cannot_Insert = 0;
-     }
-   else
-     {
-	Del_N_Lines_Str = NULL;
-	Add_N_Lines_Str = NULL;
-	SLtt_Term_Cannot_Insert = 1;
-     }
-   SLtt_Term_Cannot_Scroll = 0;
-   /* No_Move_In_Standout = 0; */
-}
-
-int SLtt_init_video (void)
-{
-   /*   send_string_to_term("\033[?6h"); */
-   /* relative origin mode */
-   tt_write_string (Term_Init_Str);
-   tt_write_string (Keypad_Init_Str);
-   SLtt_reset_scroll_region();
-   SLtt_end_insert();
-   tt_write_string (Enable_Alt_Char_Set);
-   Video_Initialized = 1;
-   return 0;
-}
-
-int SLtt_reset_video (void)
-{
-   SLtt_goto_rc (SLtt_Screen_Rows - 1, 0);
-   Cursor_Set = 0;
-   SLtt_normal_video ();	       /* MSKermit requires this  */
-   tt_write_string(Norm_Vid_Str);
-
-   Current_Fgbg = 0xFFFFFFFFU;
-   SLtt_set_alt_char_set (0);
-   if (SLtt_Use_Ansi_Colors)
-     {
-	if (Reset_Color_String == NULL)
-	  {
-	     SLtt_Char_Type attr;
-	     if (-1 != make_color_fgbg (NULL, NULL, &attr))
-	       write_attributes (attr);
-	     else tt_write_string ("\033[0m\033[m");
-	  }
-	else tt_write_string (Reset_Color_String);
-	Current_Fgbg = 0xFFFFFFFFU;
-     }
-   SLtt_erase_line ();
-   tt_write_string (Keypad_Reset_Str);
-   tt_write_string (Term_Reset_Str);
-   SLtt_flush_output ();
-   Video_Initialized = 0;
-   return 0;
-}
-
-void SLtt_bold_video (void)
-{
-   tt_write_string (Bold_Vid_Str);
-}
-
-int SLtt_set_mouse_mode (int mode, int force)
-{
-   char *term;
-
-   if (force == 0)
-     {
-	if (NULL == (term = (char *) getenv("TERM"))) return -1;
-	if (strncmp ("xterm", term, 5))
-	  return -1;
-     }
-
-   if (mode)
-     tt_write_string ("\033[?9h");
-   else
-     tt_write_string ("\033[?9l");
-
-   return 0;
-}
-
-void SLtt_disable_status_line (void)
-{
-   if (SLtt_Has_Status_Line > 0)
-     {
-	tt_write_string (Disable_Status_line_Str);
-	SLtt_flush_output ();
-     }
-}
-
-int SLtt_write_to_status_line (char *s, int col)
-{
-   if ((SLtt_Has_Status_Line <= 0)
-       || (Goto_Status_Line_Str == NULL)
-       || (Return_From_Status_Line_Str == NULL))
-     return -1;
-
-   tt_printf (Goto_Status_Line_Str, col, 0);
-   tt_write_string (s);
-   tt_write_string (Return_From_Status_Line_Str);
-   return 0;
-}
-
-void SLtt_get_screen_size (void)
-{
-#ifdef VMS
-   int status, code;
-   unsigned short chan;
-   $DESCRIPTOR(dev_dsc, "SYS$INPUT:");
-#endif
-   int r = 0, c = 0;
-
-#ifdef TIOCGWINSZ
-   struct winsize wind_struct;
-
-   do
-     {
-	if ((ioctl(1,TIOCGWINSZ,&wind_struct) == 0)
-	    || (ioctl(0, TIOCGWINSZ, &wind_struct) == 0)
-	    || (ioctl(2, TIOCGWINSZ, &wind_struct) == 0))
-	  {
-	     c = (int) wind_struct.ws_col;
-	     r = (int) wind_struct.ws_row;
-	     break;
-	  }
-     }
-   while (errno == EINTR);
-
-#endif
-
-#ifdef VMS
-   status = sys$assign(&dev_dsc,&chan,0,0,0);
-   if (status & 1)
-     {
-	code = DVI$_DEVBUFSIZ;
-	status = lib$getdvi(&code, &chan,0, &c, 0,0);
-	if (!(status & 1))
-	  c = 80;
-	code = DVI$_TT_PAGE;
-	status = lib$getdvi(&code, &chan,0, &r, 0,0);
-	if (!(status & 1))
-	  r = 24;
-	sys$dassgn(chan);
-     }
-#endif
-
-   if (r <= 0)
-     {
-	char *s = getenv ("LINES");
-	if (s != NULL) r = atoi (s);
-     }
-
-   if (c <= 0)
-     {
-	char *s = getenv ("COLUMNS");
-	if (s != NULL) c = atoi (s);
-     }
-
-   if (r <= 0) r = 24;
-   if (c <= 0) c = 80;
-#if 0
-   if ((r <= 0) || (r > 200)) r = 24;
-   if ((c <= 0) || (c > 250)) c = 80;
-#endif
-   SLtt_Screen_Rows = r;
-   SLtt_Screen_Cols = c;
-}
-
-#if SLTT_HAS_NON_BCE_SUPPORT
-int _SLtt_get_bce_color_offset (void)
-{
-   if ((SLtt_Use_Ansi_Colors == 0)
-       || Can_Background_Color_Erase
-       || SLtt_Use_Blink_For_ACS)      /* in this case, we cannot lose a color */
-     Bce_Color_Offset = 0;
-   else
-     {
-	if (GET_BG(Ansi_Color_Map[0].fgbg) == SLSMG_COLOR_DEFAULT)
-	  Bce_Color_Offset = 0;
-	else
-	  Bce_Color_Offset = 1;
-     }
-   
-   return Bce_Color_Offset;
-}
-#endif