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1 /* Definitions file for GNU Emacs running on AT&T's System V Release 4
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2 Copyright (C) 1987, 1990 Free Software Foundation, Inc.
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3
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4 This file is part of GNU Emacs.
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5
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6 GNU Emacs 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, or (at your option)
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9 any later version.
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10
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11 GNU Emacs 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 XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: FSF 19.31. */
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22
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23 /* This file written by James Van Artsdalen of Dell Computer Corporation.
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24 * james@bigtex.cactus.org. Subsequently improved for Dell 2.2 by Eric
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25 * S. Raymond <esr@snark.thyrsus.com>.
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26 */
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27
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28 /* Use the SysVr3 file for at least base configuration. */
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29
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30 #define DONT_DEFINE_NO_REMAP /* `static' hack not needed */
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31 #include "usg5-3.h"
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32
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33 #define USG5_4
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34
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163
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35 #define LIBS_SYSTEM "-lsocket -lnsl -lelf"
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0
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36 #define ORDINARY_LINK
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37
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38 #if 0
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39 #ifdef ORDINARY_LINK
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163
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40 #define LIB_STANDARD "-lc /usr/ucblib/libucb.a"
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0
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41 #else
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163
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42 #define START_FILES "pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o"
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43 #define LIB_STANDARD "-lc /usr/ucblib/libucb.a /usr/ccs/lib/crtn.o"
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0
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44 #endif
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45 #else
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46
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47 #ifdef ORDINARY_LINK
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48 #define LIB_STANDARD
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49 #else
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163
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50 #define START_FILES "pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o"
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51 #define LIB_STANDARD "-lc /usr/ccs/lib/crtn.o"
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0
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52 #endif
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53 #endif
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54
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55 /* there are no -lg libraries on this system, and no libPW */
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56
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57 #define LIBS_DEBUG
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58
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59 /* No <sioctl.h> */
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60
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61 #define NO_SIOCTL_H
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62
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63 /* Undump with ELF */
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64
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65 #undef COFF
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66
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163
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67 #define UNEXEC "unexelf.o"
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0
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68
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69 /* Get <sys/ttold.h> to get struct
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70 * tchars. But get <termio.h> first to make sure ttold.h doesn't
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71 * interfere.
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72 */
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73
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74 #ifndef NOT_C_CODE
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75 #include <sys/wait.h>
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76 #endif
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77
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78 #ifdef emacs
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79 #include <sys/filio.h>
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80 #include <termio.h>
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81 #include <sys/ttold.h>
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82 #include <signal.h>
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83 #include <sys/stream.h>
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84 #include <sys/stropts.h>
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85 #include <sys/termios.h>
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86 #endif
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87
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88 #undef BROKEN_SIGIO
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89
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90 /* Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
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91 * instead, there's a system variable _sys_nsig. Unfortunately, we need the
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92 * constant to dimension an array. So wire in the appropriate value here.
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93 */
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94
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95 #ifndef NSIG
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96 #define NSIG 32
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97 #endif
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98
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99 /* We need bss_end from emacs.c for undumping */
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100
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101 #ifndef USG_SHARED_LIBRARIES
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102 #define USG_SHARED_LIBRARIES
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103 #endif
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104
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105 #define HAVE_PTYS
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106 #undef BROKEN_TIOCGWINSZ
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107 #undef BROKEN_TIOCGETC
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108
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109 /* TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
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110 subprocesses the usual way. But TIOCSIGNAL does work for PTYs, and
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111 this is all we need. */
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112
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113 #define TIOCSIGSEND TIOCSIGNAL
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114
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115 /* This change means that we don't loop through allocate_pty too many
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116 times in the (rare) event of a failure. */
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117
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118 #undef FIRST_PTY_LETTER
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119 #define FIRST_PTY_LETTER 'z'
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120
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121 /* This sets the name of the master side of the PTY. */
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122
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123 #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
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124
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125 /* This sets the name of the slave side of the PTY. On SysVr4,
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126 grantpt(3) forks a subprocess, so keep sigchld_handler() from
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127 intercepting that death. If any child but grantpt's should die
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128 within, it should be caught after EMACS_UNBLOCK_SIGNAL. */
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129
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130 /* XEmacs change */
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131 #ifndef NOT_C_CODE
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132 # if !__STDC__ && !defined(STDC_HEADERS)
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133 char *ptsname ();
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134 # endif
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135 #endif
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136
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137 #define PTY_TTY_NAME_SPRINTF \
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138 { \
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139 char *ptyname; \
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140 \
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141 EMACS_BLOCK_SIGCHLD; \
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142 if (grantpt (fd) == -1) \
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143 { close (fd); return -1; } \
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144 EMACS_UNBLOCK_SIGCHLD; \
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145 if (unlockpt (fd) == -1) \
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146 { close (fd); return -1; } \
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147 if (!(ptyname = ptsname (fd))) \
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148 { close (fd); return -1; } \
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149 strncpy (pty_name, ptyname, sizeof (pty_name)); \
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150 pty_name[sizeof (pty_name) - 1] = 0; \
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151 }
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152
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153 /* Push various streams modules onto a PTY channel. */
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154
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155 #define SETUP_SLAVE_PTY \
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156 if (ioctl (xforkin, I_PUSH, "ptem") == -1) \
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157 fatal ("ioctl I_PUSH ptem: errno %d\n", errno); \
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158 if (ioctl (xforkin, I_PUSH, "ldterm") == -1) \
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159 fatal ("ioctl I_PUSH ldterm: errno %d\n", errno); \
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160 if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \
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161 fatal ("ioctl I_PUSH ttcompat: errno %d\n", errno);
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162
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163 /* Undo the SVr3 X11 library definition */
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164 #undef LIB_X11_LIB
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165
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166 /* The definition of this in s-usg5-3.h is not needed in 5.4. */
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167 /* liblnsl_s should never be used. The _s suffix implies a shared
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168 library, as opposed to a DLL. Share libraries were used in SVR3, and are
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169 available only in order to allow SVR3 binaries to run. They should not be
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170 linked in to new binaries. -- caraway!pinkas@caraway.intel.com. */
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171 #undef LIBX10_SYSTEM
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172 #undef LIBX11_SYSTEM
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173
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174 /* Tell x11term.c and keyboard.c we have the system V streams feature. */
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175 #define SYSV_STREAMS
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153
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176 /* On Some SysV System , w3 freeze. If freeze your xemacs , Add below definition */
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177 /* This definition added by Shogo Fujii(shogo@bsd1.kbnes.nec.co.jp) */
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178 #define PROCESS_IO_BLOCKING
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