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1772
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1 /* termio.c Terminal I/O support routines
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2 Copyright (C) 1993 Boisy G. Pitre
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3
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4 This file is part of the OS-9 UUCP package, UUCPbb.
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5
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6 This program is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program; if not, write to the Free Software
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18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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19
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20 The author of UUCPbb, Bob Billson, can be contacted at:
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21 bob@kc2wz.bubble.org or uunet!kc2wz!bob or by snail mail:
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22 21 Bates Way, Westfield, NJ 07090
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23 */
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24
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25 #include "uucp.h"
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26
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27 #ifdef TERMCAP
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28 # ifndef BSDISH
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29 # ifdef _OSK
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30 # include <termcap.h>
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31 # else
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32 # include "ttydefs.h"
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33 # endif
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34 # endif
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35
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36 #ifdef _OSK
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37 #define TCAPSLEN 2048
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38 #else
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39 #define TCAPSLEN 400 /* CoCo */
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40 #endif
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41
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42 extern char *getenv();
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43 void ErEOLine();
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44 void curxy();
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45
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46 int nrows, ncolumns;
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47 static char tcapbuf[TCAPSLEN];
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48
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49 # ifdef _OSK
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50 char PC_, /* pad character */
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51 *BC, /* cursor backspace */
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52 *UP; /* cursor up */
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53 short ospeed;
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54 # else
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55 char PC_; /* rest are defined in termcap library */
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56 #ifdef BSDISH
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57 char *UP;
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58 #endif
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59 # endif
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60
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61 static char *CM,
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62 *CL,
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63 *DL,
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64 *CE,
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65 *CD,
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66 *SO,
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67 *SE,
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68 *BL,
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69 *VE,
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70 *VI,
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71 *CR;
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72
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73 # ifndef _OSK
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74 # ifndef BSDISH
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75 # include <os9.h>
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76
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77 char *crtbynam();
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78 char *crtbypth();
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79
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80 # define LINESIZE 80
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81
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82 char *crtbynam(line, buffer)
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83 char *line, *buffer;
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84 {
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85 char linebuff[LINESIZE],
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86 int found = 0; /* indicates tty line was found */
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87 register char *workptr;
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88 FILE * ttysfd;
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89
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90 /* Open the TTYTYPE file, in either of three directories */
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91 if ((ttysfd = fopen ("/r0/sys/ttytype", "r")) == NULL)
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92 if ((ttysfd = fopen ("/r/sys/ttytype", "r")) == NULL)
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93 ttysfd = fopen ("/dd/sys/ttytype", "r");
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94
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95 /* Search through the TTYTYPE file for a match on this 'line' */
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96
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97 if (ttysfd != NULL) {
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98 #ifdef DEBUG
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99 fprintf (stderr, "File 'ttytype' was found and opened ok\n");
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100 #endif
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101
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102 while (fgets (linebuff, LINESIZE, ttysfd) != NULL) {
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103 if (workptr = index (linebuff, ' ')) {
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104 /* Terminate the LINE name */
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105 *workptr++ = '\0';
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106
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107 /* Index forward to the CRT name */
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108 workptr = skipbl (workptr);
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109
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110 if (strucmp (line, linebuff) == 0) {
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111 found++;
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112 #ifdef DEBUG
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113 fprintf(stderr,"line %s was found in the file\n",line);
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114 #endif
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115 strcpy (buffer, workptr);
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116 for (workptr = buffer; (!isspace (*workptr)); workptr++) {
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117 /* do nothing */;
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118 }
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119 *workptr = '\0';
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120 #ifdef DEBUG
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121 fprintf(stderr,"content of buffer [crtname] is: %s\n",buffer);
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122 #endif
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123 break;
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124 }
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125 }
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126 }
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127 fclose (ttysfd);
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128
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129 if (found)
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130 return (buffer);
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131 else
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132 return ((char *)NULL);
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133 }
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134 else
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135 return ((char *)NULL);
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136 }
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137
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138
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139 /* Don't need this right now on CoCo? --REB */
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140 # ifdef ORIGCODE
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141 char *crtbypth (path, buffer)
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142 int path;
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143 char *buffer;
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144 {
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145 char line[32];
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146
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147 *line = '/';
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148 getstat (SS_DEVNM, path, &line[1]);
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149 strhcpy (line, line);
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150 return (crtbynam (line, buffer));
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151 }
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152 # endif
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153 # endif
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154 # endif
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155
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156
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157
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158 void term (str)
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159 char *str;
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160 {
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161 fputs (str, stderr);
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162 exit(0);
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163 }
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164
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165
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166
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167 void init_term_cap()
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168 {
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169 # ifdef _OSK
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170 register char *term_type;
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171 # else
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172 # ifdef BSDISH
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173 char *term_type;
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174 char tt[32];
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175 # else
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176 char term_type[32];
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177 # endif
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178 # endif
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179
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180 #ifdef _OSK
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181 char tcbuf[2048];
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182 #else
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183 char tcbuf[1024]; /* CoCo */
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184 #endif
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185 char *ptr = tcapbuf;
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186
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187 if ((term_type = getenv ("TERM")) == 0) {
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188 term ("Environment variable TERM not defined!\n");
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189 }
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190
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191 # ifdef BSDISH
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192 strcpy (tt, term_type);
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193 term_type = tt;
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194 # endif
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195
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196 if (tgetent (tcbuf, term_type) <= 0) {
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197 sprintf (tcbuf, "Unknown terminal type '%s'\n", term_type);
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198 term (tcbuf);
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199 }
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200
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201 if ((CL = tgetstr ("cl", &ptr)) == NULL)
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202 term ("'cl' capability not found\n");
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203 if ((CM = tgetstr ("cm", &ptr)) == NULL)
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204 term ("'cm' capability not found\n");
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205 if ((CE = tgetstr ("ce", &ptr)) == NULL)
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206 term ("'ce' capability not found\n");
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207 if ((CD = tgetstr ("cd", &ptr)) == NULL)
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208 term("'cd' capability not found\n");
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209 if ((DL = tgetstr ("dl", &ptr)) == NULL) {
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210 if ((CR = tgetstr("cr", &ptr)) == NULL)
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211 CR = "\015";
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212 }
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213 UP = tgetstr ("up", &ptr);
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214
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215 if ((SO = tgetstr ("so", &ptr)) != NULL)
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216 SE = tgetstr ("se", &ptr);
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217 else if ((SO = tgetstr ("md", &ptr)) != NULL)
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218 SE = tgetstr ("me", &ptr);
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219 else if ((SO = tgetstr ("us", &ptr)) != NULL)
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220 SE = tgetstr ("ue", &ptr);
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221 else
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222 SE = NULL;
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223
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224 VI = tgetstr ("vi", &ptr);
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225 VE = tgetstr ("ve", &ptr);
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226 BL = tgetstr ("bl", &ptr);
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227
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228 if (ptr >= &tcapbuf[TCAPSLEN])
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229 term ("Terminal description too big\n");
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230
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231 nrows = tgetnum ("li");
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232 ncolumns = tgetnum ("co");
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233
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234 if (!nrows || !ncolumns) {
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235 nrows = 80;
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236 ncolumns = 24;
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237 }
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238 }
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239 #endif
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240
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241 #ifdef BSDISH
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242 void out_char (c)
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243 char c;
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244 {
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245 write (1, &c, 1);
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246 }
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247
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248
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249
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250 #define FPUTS(STR,FD) tputs(STR,1,out_char)
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251 #else
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252 #define FPUTS(STR,FD) fputs(STR,FD)
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253 #endif
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254
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255 void CurUp()
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256 {
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257 #ifdef TERMCAP
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258 # ifdef BSDISH
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259 fflush (stdout);
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260 # endif
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261 FPUTS (UP, stdout);
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262 #else
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263 putchar ('\x09');
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264 #endif
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265 fflush (stdout);
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266 }
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267
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268
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269
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270 void DelLine()
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271 {
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272 #ifdef TERMCAP
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273 if (DL == NULL) {
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274 # ifdef BSDISH
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275 fflush(stdout);
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276 # endif
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277 FPUTS(CR, stdout);
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278 FPUTS(CE, stdout);
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279 }
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280 else {
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281 FPUTS (DL, stdout);
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282 }
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283 #else
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284 FPUTS ("\x1f\x31", stdout);
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285 #endif
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286 fflush (stdout);
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287 }
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288
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289
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290
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291 void DelLines (startline, numlines)
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292 int startline, numlines;
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293 {
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294 curxy (0, startline);
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295 while (numlines--) {
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296 ErEOLine();
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297 putchar ('\n');
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298 }
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299 curxy (0, startline);
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300 }
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301
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302
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303
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304 void ErEOScrn()
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305 {
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306 #ifdef TERMCAP
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307 # ifdef BSDISH
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308 fflush(stdout);
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309 # endif
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310 FPUTS (CD, stdout);
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311 #else
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312 putchar ('\x0B');
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313 #endif
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314 fflush (stdout);
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315 }
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316
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317
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318
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319 void ErEOLine()
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320 {
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321 #ifdef TERMCAP
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322 # ifdef BSDISH
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323 fflush(stdout);
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324 # endif
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325 FPUTS (CE, stdout);
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326 #else
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327 putchar ('\x04');
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328 #endif
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329 fflush (stdout);
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330 }
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331
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332
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333
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334 void Bell()
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335 {
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336 #ifdef TERMCAP
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337 if (BL) {
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338 # ifdef BSDISH
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339 fflush(stdout);
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340 # endif
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341 FPUTS (BL, stdout);
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342 }
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343 #else
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344 putchar ('\x07');
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345 #endif
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346 fflush (stdout);
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347 }
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348
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349
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350
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351 void ReVOn()
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352 {
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353 #ifdef TERMCAP
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354 if (SO) {
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355 # ifdef BSDISH
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356 fflush (stdout);
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357 # endif
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358 FPUTS (SO, stdout);
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359 }
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360 else
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361 fputs ("** ", stdout);
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362 #else
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363 FPUTS ("\x1f\x20", stdout);
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364 #endif
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365 fflush (stdout);
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366 }
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367
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368
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369
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370 void ReVOff()
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371 {
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372 #ifdef TERMCAP
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373 if (SE) {
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374 # ifdef BSDISH
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375 fflush (stdout);
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376 # endif
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377 FPUTS (SE, stdout);
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378 }
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379 else
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380 fputs (" **", stdout);
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381 #else
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382 FPUTS ("\x1f\x21", stdout);
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383 #endif
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384 fflush (stdout);
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385 }
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386
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387
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388
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389 void CurOn()
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390 {
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391 #ifdef TERMCAP
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392 if (VE) {
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393 # ifdef BSDISH
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394 fflush (stdout);
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395 # endif
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396 FPUTS (VE, stdout);
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397 }
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398 #else
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399 FPUTS ("\x05\x21", stdout);
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400 #endif
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401 fflush (stdout);
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402 }
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403
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404
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405
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406 void CurOff()
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407 {
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408 #ifdef TERMCAP
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409 if (VI) {
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410 # ifdef BSDISH
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411 fflush (stdout);
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412 # endif
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413 FPUTS (VI, stdout);
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414 }
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415 #else
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416 FPUTS ("\x05\x20", stdout);
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417 #endif
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418 fflush (stdout);
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419 }
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420
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421
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422
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423 void cls()
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424 {
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425 #ifdef TERMCAP
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426 if (CL) {
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427 # ifdef BSDISH
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428 fflush (stdout);
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429 # endif
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430 FPUTS (CL, stdout);
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431 }
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432 #else
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433 putchar ('\x0c');
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434 #endif
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435 fflush(stdout);
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436 }
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437
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438
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439
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440 void curxy (x, y)
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441 int x,y;
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442 {
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443 #ifdef TERMCAP
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444 char *t;
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445
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446 t = tgoto (CM, x, y);
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447 # ifdef BSDISH
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448 fflush (stdout);
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449 # endif
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450 FPUTS (t, stdout);
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451 #else
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452 printf ("\x02%c%c", x+32, y+32);
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453 #endif
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454 fflush (stdout);
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455 }
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