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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License, Version 1.0 only
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6 * (the "License"). You may not use this file except in compliance
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7 * with the License.
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8 *
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9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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10 * or http://www.opensolaris.org/os/licensing.
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11 * See the License for the specific language governing permissions
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12 * and limitations under the License.
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13 *
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14 * When distributing Covered Code, include this CDDL HEADER in each
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15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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16 * If applicable, add the following below this CDDL HEADER, with the
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17 * fields enclosed by brackets "[]" replaced with your own identifying
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18 * information: Portions Copyright [yyyy] [name of copyright owner]
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19 *
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20 * CDDL HEADER END
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21 */
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22 /*
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23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
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24 * Use is subject to license terms.
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25 */
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26
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27 /*
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28 * Copyright (c) 2008 NEC Corporation
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29 */
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30
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31 #ifndef _MISC_H
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32 #define _MISC_H
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33
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34 #pragma ident "@(#)misc.h 1.17 05/12/06 SMI"
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35
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36 #ifdef __cplusplus
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37 extern "C" {
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38 #endif
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39
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40 /*
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41 * This file contains declarations pertaining to the miscellaneous routines.
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42 */
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43 #include <setjmp.h>
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44 #include <termios.h>
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45
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46 /*
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47 * Define macros bzero and bcopy for convenience
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48 */
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49 #ifndef bzero
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50 #define bzero(p, n) (void) memset((p), 0, (n))
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51 #endif
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52 #ifndef bcopy
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53 #define bcopy(src, dst, n) (void) memcpy((dst), (src), (n))
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54 #endif
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55 #ifndef bcmp
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56 #define bcmp(p1, p2, n) memcmp((p1), (p2), (n))
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57 #endif
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58
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59 /*
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60 * Minimum and maximum macros
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61 */
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62 #ifndef min
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63 #define min(x, y) ((x) < (y) ? (x) : (y))
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64 #endif /* min */
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65 #ifndef max
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66 #define max(x, y) ((x) > (y) ? (x) : (y))
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67 #endif /* max */
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68
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69 /*
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70 * This defines the structure of a saved environment. It consists of the
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71 * environment itself, a pointer to the next environment on the stack, and
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72 * flags to tell whether the environment is active, etc.
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73 */
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74 struct env {
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75 jmp_buf env; /* environment buf */
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76 struct env *ptr; /* ptr to next on list */
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77 char flags; /* flags */
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78 };
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79 extern struct env *current_env;
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80 /*
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81 * This macro saves the current environment in the given structure and
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82 * pushes the structure onto our enivornment stack. It initializes the
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83 * flags to zero (inactive).
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84 */
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85 #define saveenv(x) { \
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86 x.ptr = current_env; \
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87 current_env = &x; \
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88 (void) setjmp(x.env); \
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89 x.flags = 0; \
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90 }
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91 /*
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92 * This macro marks the environment on the top of the stack active. It
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93 * assumes that there is an environment on the stack.
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94 */
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95 #define useenv() (current_env->flags |= ENV_USE)
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96 /*
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97 * This macro marks the environment on the top of the stack inactive. It
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98 * assumes that there is an environment on the stack.
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99 */
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100 #define unuseenv() (current_env->flags &= ~ENV_USE)
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101 /*
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102 * This macro pops an environment off the top of the stack. It
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103 * assumes that there is an environment on the stack.
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104 */
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105 #define clearenv() (current_env = current_env->ptr)
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106 /*
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107 * These are the flags for the environment struct.
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108 */
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109 #define ENV_USE 0x01 /* active */
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110 #define ENV_CRITICAL 0x02 /* in critical zone */
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111 #define ENV_ABORT 0x04 /* abort pending */
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112
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113 /*
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114 * This structure is used to keep track of the state of the tty. This
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115 * is necessary because some of the commands turn off echoing.
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116 */
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117 struct ttystate {
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118 struct termios ttystate; /* buffer for ioctls */
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119 int ttyflags; /* changes to tty state */
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120 int ttyfile; /* file for ioctls */
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121 int vmin; /* min read satisfier */
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122 int vtime; /* read timing */
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123 };
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124
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125 /*
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126 * ttyflags - changes we can make to the tty state.
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127 */
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128 #define TTY_ECHO_OFF 0x01 /* turned echo off */
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129 #define TTY_CBREAK_ON 0x02 /* turned cbreak on */
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130
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131 /*
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132 * This is the number lines assumed for the tty. It is designed to work
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133 * on terminals as well as sun monitors.
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134 */
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135 #define TTY_LINES 24
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136
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137 /*
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138 * format parameter to dump()
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139 */
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140 #define HEX_ONLY 0 /* print hex only */
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141 #define HEX_ASCII 1 /* hex and ascii */
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142
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143
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144 /*
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145 * Prototypes for ANSI C
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146 */
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147 void *zalloc(int count);
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148 void *rezalloc(void *ptr, int count);
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149 void destroy_data(char *data);
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150 int check(char *question);
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151 void cmdabort(int sig);
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152 void onsusp(int sig);
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153 void onalarm(int sig);
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154 void fullabort(void) __NORETURN;
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155 void enter_critical(void);
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156 void exit_critical(void);
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157 void echo_off(void);
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158 void echo_on(void);
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159 void charmode_on(void);
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160 void charmode_off(void);
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161 char *alloc_string(char *s);
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162 char **build_argvlist(char **, int *, int *, char *);
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163 int conventional_name(char *name);
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164
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165 #if defined(_FIRMWARE_NEEDS_FDISK)
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166 int fdisk_physical_name(char *name);
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167 #if defined(_EXTFDISK_PARTITION) && (_EXTFDISK_PARTITION > 0)
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168 int fdisk_logical_name(char *name);
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169 #endif /* defined(_EXTFDISK_PARTITION) && (_EXTFDISK_PARTITION > 0) */
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170 #endif /* defined(_FIRMWARE_NEEDS_FDISK) */
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171
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172 int whole_disk_name(char *name);
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173 int canonical_name(char *name);
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174 int canonical4x_name(char *name);
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175 void canonicalize_name(char *dst, char *src);
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176 int match_substr(char *s1, char *s2);
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177 void dump(char *, caddr_t, int, int);
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178 float bn2mb(uint64_t);
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179 uint_t mb2bn(float);
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180 float bn2gb(uint64_t);
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181 float bn2tb(uint64_t);
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182 uint_t gb2bn(float);
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183 int get_tty_lines();
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184
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185
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186 /*
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187 * Macro to handle internal programming errors that
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188 * should "never happen".
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189 */
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190 #define impossible(msg) {err_print("Internal error: file %s, line %d: %s\n", \
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191 __FILE__, __LINE__, msg); \
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192 fullabort(); }
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193
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194
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195 extern char *confirm_list[];
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196
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197 /*
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198 * This defines the size of the blind selection verfication prompt
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199 */
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200
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201 #define BLIND_SELECT_VER_PROMPT (43 + MAXNAMELEN)
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202
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203 #ifdef __cplusplus
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204 }
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205 #endif
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206
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207 #endif /* _MISC_H */
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