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7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 */
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8
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9 /*
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10 * NextStep has a problem with configure, undefine a few things:
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11 */
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12 #ifdef NeXT
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13 # ifdef HAVE_UTIME
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14 # undef HAVE_UTIME
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15 # endif
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16 # ifdef HAVE_SYS_UTSNAME_H
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17 # undef HAVE_SYS_UTSNAME_H
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18 # endif
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19 #endif
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20
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21 #include <stdio.h>
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22 #include <ctype.h>
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23
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24 #ifdef VAXC
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25 # include <types.h>
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26 # include <stat.h>
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27 #else
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28 # include <sys/types.h>
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29 # include <sys/stat.h>
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30 #endif
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31
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32 #ifdef HAVE_STDLIB_H
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33 # include <stdlib.h>
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34 #endif
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35
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36 #ifdef __EMX__
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37 # define HAVE_TOTAL_MEM
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38 #endif
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39
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40 #if defined(__CYGWIN__) || defined(__CYGWIN32__)
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41 # define WIN32UNIX /* Compiling for Win32 using Unix files. */
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42 # define BINARY_FILE_IO
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43 #endif
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44
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45 /* On AIX 4.2 there is a conflicting prototype for ioctl() in stropts.h and
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46 * unistd.h. This hack should fix that (suggested by Jeff George).
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47 * But on AIX 4.3 it's alright (suggested by Jake Hamby). */
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48 #if defined(FEAT_GUI) && defined(_AIX) && !defined(_AIX43) && !defined(_NO_PROTO)
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49 # define _NO_PROTO
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50 #endif
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51
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52 #ifdef HAVE_UNISTD_H
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53 # include <unistd.h>
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54 #endif
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55
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56 #ifdef HAVE_LIBC_H
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57 # include <libc.h> /* for NeXT */
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58 #endif
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59
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60 #ifdef HAVE_SYS_PARAM_H
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61 # include <sys/param.h> /* defines BSD, if it's a BSD system */
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62 #endif
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63
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64 /*
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65 * Sun defines FILE on SunOS 4.x.x, Solaris has a typedef for FILE
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66 */
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67 #if defined(sun) && !defined(FILE)
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68 # define SOLARIS
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69 #endif
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70
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71 /*
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72 * Using getcwd() is preferred, because it checks for a buffer overflow.
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73 * Don't use getcwd() on systems do use system("sh -c pwd"). There is an
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74 * autoconf check for this.
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75 * Use getcwd() anyway if getwd() isn't present.
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76 */
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77 #if defined(HAVE_GETCWD) && !(defined(BAD_GETCWD) && defined(HAVE_GETWD))
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78 # define USE_GETCWD
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79 #endif
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80
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81 #ifndef __ARGS
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82 /* The AIX VisualAge cc compiler defines __EXTENDED__ instead of __STDC__
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83 * because it includes pre-ansi features. */
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84 # if defined(__STDC__) || defined(__GNUC__) || defined(__EXTENDED__)
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85 # define __ARGS(x) x
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86 # else
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87 # define __ARGS(x) ()
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88 # endif
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89 #endif
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90
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91 /* always use unlink() to remove files */
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92 #ifndef PROTO
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93 # ifdef VMS
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94 # define mch_remove(x) delete((char *)(x))
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95 # define vim_mkdir(x, y) mkdir((char *)(x), y)
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96 # ifdef VAX
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97 # else
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98 # define mch_rmdir(x) rmdir((char *)(x))
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99 # endif
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100 # else
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101 # define vim_mkdir(x, y) mkdir((char *)(x), y)
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102 # define mch_rmdir(x) rmdir((char *)(x))
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103 # define mch_remove(x) unlink((char *)(x))
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104 # endif
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105 #endif
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106
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107 /* The number of arguments to a signal handler is configured here. */
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108 /* It used to be a long list of almost all systems. Any system that doesn't
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109 * have an argument??? */
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110 #define SIGHASARG
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111
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112 /* List 3 arg systems here. I guess __sgi, please test and correct me. jw. */
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113 #if defined(__sgi) && defined(HAVE_SIGCONTEXT)
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114 # define SIGHAS3ARGS
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115 #endif
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116
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117 #ifdef SIGHASARG
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118 # ifdef SIGHAS3ARGS
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119 # define SIGPROTOARG (int, int, struct sigcontext *)
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120 # define SIGDEFARG(s) (s, sig2, scont) int s, sig2; struct sigcontext *scont;
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121 # define SIGDUMMYARG 0, 0, (struct sigcontext *)0
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122 # else
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123 # define SIGPROTOARG (int)
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124 # define SIGDEFARG(s) (s) int s;
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125 # define SIGDUMMYARG 0
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126 # endif
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127 #else
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128 # define SIGPROTOARG (void)
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129 # define SIGDEFARG(s) ()
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130 # define SIGDUMMYARG
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131 #endif
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132
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133 #ifdef HAVE_DIRENT_H
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134 # include <dirent.h>
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135 # ifndef NAMLEN
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136 # define NAMLEN(dirent) strlen((dirent)->d_name)
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137 # endif
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138 #else
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139 # define dirent direct
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140 # define NAMLEN(dirent) (dirent)->d_namlen
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141 # if HAVE_SYS_NDIR_H
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142 # include <sys/ndir.h>
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143 # endif
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144 # if HAVE_SYS_DIR_H
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145 # include <sys/dir.h>
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146 # endif
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147 # if HAVE_NDIR_H
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148 # include <ndir.h>
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149 # endif
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150 #endif
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151
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152 #if !defined(HAVE_SYS_TIME_H) || defined(TIME_WITH_SYS_TIME)
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153 # include <time.h> /* on some systems time.h should not be
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154 included together with sys/time.h */
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155 #endif
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156 #ifdef HAVE_SYS_TIME_H
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157 # include <sys/time.h>
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158 #endif
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159
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160 #include <signal.h>
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161
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162 #if defined(DIRSIZ) && !defined(MAXNAMLEN)
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163 # define MAXNAMLEN DIRSIZ
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164 #endif
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165
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166 #if defined(UFS_MAXNAMLEN) && !defined(MAXNAMLEN)
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167 # define MAXNAMLEN UFS_MAXNAMLEN /* for dynix/ptx */
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168 #endif
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169
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170 #if defined(NAME_MAX) && !defined(MAXNAMLEN)
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171 # define MAXNAMLEN NAME_MAX /* for Linux before .99p3 */
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172 #endif
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173
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174 /*
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175 * Note: if MAXNAMLEN has the wrong value, you will get error messages
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176 * for not being able to open the swap file.
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177 */
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178 #if !defined(MAXNAMLEN)
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179 # define MAXNAMLEN 512 /* for all other Unix */
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180 #endif
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181
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182 #define BASENAMELEN (MAXNAMLEN - 5)
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183
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184 #ifdef HAVE_ERRNO_H
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185 # include <errno.h>
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186 #endif
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187
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188 #ifdef HAVE_PWD_H
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189 # include <pwd.h>
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190 #endif
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191
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192 #ifdef __COHERENT__
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193 # undef __ARGS
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194 #endif
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195
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196 #if (defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT)) \
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197 || (defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)) \
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198 || defined(HAVE_SYSCTL) || defined(HAVE_SYSCONF)
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199 # define HAVE_TOTAL_MEM
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200 #endif
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201
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202 #ifdef VMS
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203 #include <unixio.h>
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204 #include <unixlib.h>
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205 #include <signal.h>
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206 #include <file.h>
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207 #include <ssdef.h>
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208 #include <descrip.h>
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209 #include <libclidef.h>
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210 #include <lnmdef.h>
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211 #include <psldef.h>
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212 #include <prvdef.h>
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213 #include <dvidef.h>
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214 #include <dcdef.h>
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215 #include <stsdef.h>
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216 #include <iodef.h>
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217 #include <ttdef.h>
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218 #include <tt2def.h>
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219 #include <jpidef.h>
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220 #include <rms.h>
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221 #include <trmdef.h>
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222 #include <string.h>
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223 #include <starlet.h>
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224 #include <socket.h>
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225 #include <lib$routines.h>
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226
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227 typedef struct dsc$descriptor DESC;
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228 #endif
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229
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230 /*
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231 * Unix system-dependent file names
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232 */
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233 #ifndef SYS_VIMRC_FILE
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234 # define SYS_VIMRC_FILE "$VIM/vimrc"
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235 #endif
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236 #ifndef SYS_GVIMRC_FILE
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237 # define SYS_GVIMRC_FILE "$VIM/gvimrc"
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238 #endif
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239 #ifndef DFLT_HELPFILE
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240 # define DFLT_HELPFILE "$VIMRUNTIME/doc/help.txt"
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241 #endif
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242 #ifndef FILETYPE_FILE
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243 # define FILETYPE_FILE "filetype.vim"
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244 #endif
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245 #ifndef FTPLUGIN_FILE
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246 # define FTPLUGIN_FILE "ftplugin.vim"
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247 #endif
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248 #ifndef INDENT_FILE
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249 # define INDENT_FILE "indent.vim"
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250 #endif
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251 #ifndef FTOFF_FILE
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252 # define FTOFF_FILE "ftoff.vim"
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253 #endif
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254 #ifndef FTPLUGOF_FILE
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255 # define FTPLUGOF_FILE "ftplugof.vim"
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256 #endif
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257 #ifndef INDOFF_FILE
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258 # define INDOFF_FILE "indoff.vim"
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259 #endif
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260 #ifndef SYS_MENU_FILE
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261 # define SYS_MENU_FILE "$VIMRUNTIME/menu.vim"
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262 #endif
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263
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264 #ifndef USR_EXRC_FILE
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265 # ifdef VMS
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266 # define USR_EXRC_FILE "sys$login:.exrc"
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267 # else
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268 # define USR_EXRC_FILE "$HOME/.exrc"
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269 # endif
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270 #endif
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271
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272 #if !defined(USR_EXRC_FILE2) && defined(OS2)
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273 # define USR_EXRC_FILE2 "$VIM/.exrc"
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274 #endif
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275 #if !defined(USR_EXRC_FILE2) && defined(VMS)
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276 # define USR_EXRC_FILE2 "sys$login:_exrc"
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277 #endif
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278
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279 #ifndef USR_VIMRC_FILE
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280 # ifdef VMS
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281 # define USR_VIMRC_FILE "sys$login:.vimrc"
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282 # else
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283 # define USR_VIMRC_FILE "$HOME/.vimrc"
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284 # endif
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285 #endif
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286
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287 #if !defined(USR_VIMRC_FILE2) && defined(OS2)
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288 # define USR_VIMRC_FILE2 "$VIM/.vimrc"
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289 #endif
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290 #if !defined(USR_VIMRC_FILE2) && defined(VMS)
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291 # define USR_VIMRC_FILE2 "sys$login:_vimrc"
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292 #endif
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293
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294 #ifndef USR_GVIMRC_FILE
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295 # ifdef VMS
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296 # define USR_GVIMRC_FILE "sys$login:.gvimrc"
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297 # else
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298 # define USR_GVIMRC_FILE "$HOME/.gvimrc"
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299 # endif
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300 #endif
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301
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302 #ifdef VMS
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303 # ifndef USR_GVIMRC_FILE2
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304 # define USR_GVIMRC_FILE2 "sys$login:_gvimrc"
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305 # endif
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306 #endif
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307
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308 #ifndef EVIM_FILE
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309 # define EVIM_FILE "$VIMRUNTIME/evim.vim"
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310 #endif
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311
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312 #ifdef FEAT_VIMINFO
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313 # ifndef VIMINFO_FILE
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314 # ifdef VMS
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315 # define VIMINFO_FILE "sys$login:.viminfo"
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316 # else
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317 # define VIMINFO_FILE "$HOME/.viminfo"
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318 # endif
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319 # endif
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320 # if !defined(VIMINFO_FILE2) && defined(OS2)
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321 # define VIMINFO_FILE2 "$VIM/.viminfo"
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322 # endif
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323 # if !defined(VIMINFO_FILE2) && defined(VMS)
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324 # define VIMINFO_FILE2 "sys$login:_viminfo"
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325 # endif
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326 #endif
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327
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328 #ifndef EXRC_FILE
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329 # define EXRC_FILE ".exrc"
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330 #endif
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331
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332 #ifndef VIMRC_FILE
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333 # define VIMRC_FILE ".vimrc"
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334 #endif
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335
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336 #ifdef FEAT_GUI
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337 # ifndef GVIMRC_FILE
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338 # define GVIMRC_FILE ".gvimrc"
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339 # endif
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340 #endif
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341
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342 #ifndef SYNTAX_FNAME
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343 # define SYNTAX_FNAME "$VIMRUNTIME/syntax/%s.vim"
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344 #endif
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345
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346 #ifndef DFLT_BDIR
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347 # ifdef OS2
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348 # define DFLT_BDIR ".,c:/tmp,~/tmp,~/"
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349 # else
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350 # ifdef VMS
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351 # define DFLT_BDIR "./,sys$login:,tmp:"
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352 # else
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353 # define DFLT_BDIR ".,~/tmp,~/" /* default for 'backupdir' */
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354 # endif
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355 # endif
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356 #endif
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357
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358 #ifndef DFLT_DIR
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359 # ifdef OS2
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360 # define DFLT_DIR ".,~/tmp,c:/tmp,/tmp"
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361 # else
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362 # ifdef VMS
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363 # define DFLT_DIR "./,sys$login:,tmp:"
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364 # else
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365 # define DFLT_DIR ".,~/tmp,/var/tmp,/tmp" /* default for 'directory' */
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366 # endif
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367 # endif
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368 #endif
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369
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370 #ifndef DFLT_VDIR
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371 # ifdef OS2
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372 # define DFLT_VDIR "$VIM/vimfiles/view"
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373 # else
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374 # ifdef VMS
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375 # define DFLT_VDIR "sys$login:vimfiles/view"
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376 # else
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377 # define DFLT_VDIR "$HOME/.vim/view" /* default for 'viewdir' */
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378 # endif
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379 # endif
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380 #endif
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381
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382 #define DFLT_ERRORFILE "errors.err"
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383
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384 #ifdef OS2
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385 # define DFLT_RUNTIMEPATH "$HOME/vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,$HOME/vimfiles/after"
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386 #else
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387 # ifdef VMS
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388 # define DFLT_RUNTIMEPATH "sys$login:vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,sys$login:vimfiles/after"
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389 # else
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390 # ifdef RUNTIME_GLOBAL
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391 # define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after"
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392 # else
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393 # define DFLT_RUNTIMEPATH "~/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,~/.vim/after"
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394 # endif
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395 # endif
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396 #endif
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397
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398 #ifdef OS2
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399 /*
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400 * Try several directories to put the temp files.
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401 */
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402 # define TEMPDIRNAMES "$TMP", "$TEMP", "c:\\TMP", "c:\\TEMP", ""
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403 # define TEMPNAMELEN 128
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404 #else
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405 # ifdef VMS
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406 # ifndef VAX
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407 # define VMS_TEMPNAM /* to fix default .LIS extension */
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408 # endif
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409 # define TEMPNAME "TMP:v?XXXXXX.txt"
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410 # define TEMPNAMELEN 28
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411 # else
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412 # define TEMPDIRNAMES "$TMPDIR", "/tmp", ".", "$HOME"
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413 # define TEMPNAMELEN 256
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414 # endif
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415 #endif
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416
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417 /* Special wildcards that need to be handled by the shell */
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418 #define SPECIAL_WILDCHAR "`'{"
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419
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420 #ifndef HAVE_OPENDIR
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421 # define NO_EXPANDPATH
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422 #endif
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423
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424 /*
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425 * Unix has plenty of memory, use large buffers
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426 */
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427 #define CMDBUFFSIZE 1024 /* size of the command processing buffer */
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428 #define MAXPATHL 1024 /* Unix has long paths and plenty of memory */
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429
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430 #define CHECK_INODE /* used when checking if a swap file already
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431 exists for a file */
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432 #ifdef VMS /* Use less memory because of older systems */
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433 # ifndef DFLT_MAXMEM
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434 # define DFLT_MAXMEM (2*1024)
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435 # endif
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436 # ifndef DFLT_MAXMEMTOT
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437 # define DFLT_MAXMEMTOT (5*1024)
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438 # endif
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439 #else
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440 # ifndef DFLT_MAXMEM
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441 # define DFLT_MAXMEM (5*1024) /* use up to 5 Mbyte for a buffer */
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442 # endif
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443 # ifndef DFLT_MAXMEMTOT
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444 # define DFLT_MAXMEMTOT (10*1024) /* use up to 10 Mbyte for Vim */
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445 # endif
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446 #endif
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447
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448 /* memmove is not present on all systems, use memmove, bcopy, memcpy or our
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449 * own version */
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450 /* Some systems have (void *) arguments, some (char *). If we use (char *) it
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451 * works for all */
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452 #ifdef USEMEMMOVE
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453 # define mch_memmove(to, from, len) memmove((char *)(to), (char *)(from), len)
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454 #else
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455 # ifdef USEBCOPY
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456 # define mch_memmove(to, from, len) bcopy((char *)(from), (char *)(to), len)
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457 # else
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458 # ifdef USEMEMCPY
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459 # define mch_memmove(to, from, len) memcpy((char *)(to), (char *)(from), len)
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460 # else
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461 # define VIM_MEMMOVE /* found in misc2.c */
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462 # endif
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463 # endif
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464 #endif
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465
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466 #ifndef PROTO
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467 # ifdef HAVE_RENAME
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468 # define mch_rename(src, dst) rename(src, dst)
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469 # else
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470 int mch_rename __ARGS((const char *src, const char *dest));
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471 # endif
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472 # ifdef VMS
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473 # define mch_chdir(s) chdir(vms_fixfilename(s))
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474 # else
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475 # define mch_chdir(s) chdir(s)
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476 # endif
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477 # ifndef VMS
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478 # ifdef __MVS__
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479 /* on OS390 Unix getenv() doesn't return a pointer to persistant
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480 * storage -> use __getenv() */
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481 # define mch_getenv(x) (char_u *)__getenv((char *)(x))
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482 # else
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483 # define mch_getenv(x) (char_u *)getenv((char *)(x))
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484 # endif
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485 # define mch_setenv(name, val, x) setenv(name, val, x)
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486 # endif
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487 #endif
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488
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489 #if !defined(S_ISDIR) && defined(S_IFDIR)
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490 # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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491 #endif
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492 #if !defined(S_ISREG) && defined(S_IFREG)
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493 # define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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494 #endif
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495 #if !defined(S_ISBLK) && defined(S_IFBLK)
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496 # define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
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497 #endif
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498 #if !defined(S_ISSOCK) && defined(S_IFSOCK)
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499 # define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
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500 #endif
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501 #if !defined(S_ISFIFO) && defined(S_IFIFO)
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502 # define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
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503 #endif
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504
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505 /* Note: Some systems need both string.h and strings.h (Savage). However,
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506 * some systems can't handle both, only use string.h in that case. */
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507 #ifdef HAVE_STRING_H
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508 # include <string.h>
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509 #endif
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510 #if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
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511 # include <strings.h>
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512 #endif
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513
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514 #if defined(HAVE_SETJMP_H)
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515 # include <setjmp.h>
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516 # ifdef HAVE_SIGSETJMP
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517 # define JMP_BUF sigjmp_buf
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518 # define SETJMP(x) sigsetjmp((x), 1)
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519 # define LONGJMP siglongjmp
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520 # else
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521 # define JMP_BUF jmp_buf
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522 # define SETJMP(x) setjmp(x)
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523 # define LONGJMP longjmp
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524 # endif
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525 #endif
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526
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527 #define HAVE_DUP /* have dup() */
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528 #define HAVE_ST_MODE /* have stat.st_mode */
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529
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530 /* We have three kinds of ACL support. */
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531 #define HAVE_ACL (HAVE_POSIX_ACL || HAVE_SOLARIS_ACL || HAVE_AIX_ACL)
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