| 1 | /* externs.h -- extern function declarations which do not appear in their
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| 2 | own header file. */
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| 3 |
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| 4 | /* Copyright (C) 1993-2005 Free Software Foundation, Inc.
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| 5 |
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| 6 | This file is part of GNU Bash, the Bourne Again SHell.
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| 7 |
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| 8 | Bash is free software; you can redistribute it and/or modify it under
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| 9 | the terms of the GNU General Public License as published by the Free
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| 10 | Software Foundation; either version 2, or (at your option) any later
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| 11 | version.
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| 12 |
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| 13 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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| 14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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| 16 | for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License along
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| 19 | with Bash; see the file COPYING. If not, write to the Free Software
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| 20 | Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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| 21 |
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| 22 | /* Make sure that this is included *after* config.h! */
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| 23 |
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| 24 | #if !defined (_EXTERNS_H_)
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| 25 | # define _EXTERNS_H_
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| 26 |
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| 27 | #include "stdc.h"
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| 28 |
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| 29 | /* Functions from expr.c. */
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| 30 | extern intmax_t evalexp __P((char *, int *));
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| 31 |
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| 32 | /* Functions from print_cmd.c. */
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| 33 | extern char *make_command_string __P((COMMAND *));
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| 34 | extern char *named_function_string __P((char *, COMMAND *, int));
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| 35 |
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| 36 | extern void print_command __P((COMMAND *));
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| 37 | extern void print_simple_command __P((SIMPLE_COM *));
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| 38 | extern void print_word_list __P((WORD_LIST *, char *));
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| 39 |
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| 40 | /* debugger support */
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| 41 | extern void print_for_command_head __P((FOR_COM *));
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| 42 | #if defined (SELECT_COMMAND)
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| 43 | extern void print_select_command_head __P((SELECT_COM *));
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| 44 | #endif
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| 45 | extern void print_case_command_head __P((CASE_COM *));
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| 46 | #if defined (DPAREN_ARITHMETIC)
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| 47 | extern void print_arith_command __P((WORD_LIST *));
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| 48 | #endif
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| 49 | #if defined (COND_COMMAND)
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| 50 | extern void print_cond_command __P((COND_COM *));
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| 51 | #endif
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| 52 |
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| 53 | /* set -x support */
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| 54 | extern char *indirection_level_string __P((void));
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| 55 | extern void xtrace_print_assignment __P((char *, char *, int, int));
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| 56 | extern void xtrace_print_word_list __P((WORD_LIST *, int));
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| 57 | extern void xtrace_print_for_command_head __P((FOR_COM *));
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| 58 | #if defined (SELECT_COMMAND)
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| 59 | extern void xtrace_print_select_command_head __P((SELECT_COM *));
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| 60 | #endif
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| 61 | extern void xtrace_print_case_command_head __P((CASE_COM *));
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| 62 | #if defined (DPAREN_ARITHMETIC)
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| 63 | extern void xtrace_print_arith_cmd __P((WORD_LIST *));
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| 64 | #endif
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| 65 | #if defined (COND_COMMAND)
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| 66 | extern void xtrace_print_cond_term __P((int, int, WORD_DESC *, char *, char *));
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| 67 | #endif
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| 68 |
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| 69 | /* Functions from shell.c. */
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| 70 | extern void exit_shell __P((int)) __attribute__((__noreturn__));
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| 71 | extern void sh_exit __P((int)) __attribute__((__noreturn__));
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| 72 | extern void disable_priv_mode __P((void));
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| 73 | extern void unbind_args __P((void));
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| 74 |
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| 75 | #if defined (RESTRICTED_SHELL)
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| 76 | extern int shell_is_restricted __P((char *));
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| 77 | extern int maybe_make_restricted __P((char *));
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| 78 | #endif
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| 79 |
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| 80 | extern void unset_bash_input __P((int));
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| 81 | extern void get_current_user_info __P((void));
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| 82 |
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| 83 | /* Functions from eval.c. */
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| 84 | extern int reader_loop __P((void));
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| 85 | extern int parse_command __P((void));
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| 86 | extern int read_command __P((void));
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| 87 |
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| 88 | /* Functions from braces.c. */
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| 89 | #if defined (BRACE_EXPANSION)
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| 90 | extern char **brace_expand __P((char *));
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| 91 | #endif
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| 92 |
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| 93 | /* Miscellaneous functions from parse.y */
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| 94 | extern int yyparse __P((void));
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| 95 | extern int return_EOF __P((void));
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| 96 | extern void reset_parser __P((void));
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| 97 | extern WORD_LIST *parse_string_to_word_list __P((char *, int, const char *));
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| 98 |
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| 99 | extern void free_pushed_string_input __P((void));
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| 100 |
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| 101 | extern char *decode_prompt_string __P((char *));
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| 102 |
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| 103 | extern int get_current_prompt_level __P((void));
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| 104 | extern void set_current_prompt_level __P((int));
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| 105 |
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| 106 | #if defined (HISTORY)
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| 107 | extern char *history_delimiting_chars __P((void));
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| 108 | #endif
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| 109 |
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| 110 | /* Declarations for functions defined in locale.c */
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| 111 | extern void set_default_locale __P((void));
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| 112 | extern void set_default_locale_vars __P((void));
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| 113 | extern int set_locale_var __P((char *, char *));
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| 114 | extern int set_lang __P((char *, char *));
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| 115 | extern char *get_locale_var __P((char *));
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| 116 | extern char *localetrans __P((char *, int, int *));
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| 117 | extern char *mk_msgstr __P((char *, int *));
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| 118 | extern char *localeexpand __P((char *, int, int, int, int *));
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| 119 |
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| 120 | /* Declarations for functions defined in list.c. */
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| 121 | extern void list_walk __P((GENERIC_LIST *, sh_glist_func_t *));
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| 122 | extern void wlist_walk __P((WORD_LIST *, sh_icpfunc_t *));
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| 123 | extern GENERIC_LIST *list_reverse ();
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| 124 | extern int list_length ();
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| 125 | extern GENERIC_LIST *list_append ();
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| 126 | extern GENERIC_LIST *list_remove ();
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| 127 |
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| 128 | /* Declarations for functions defined in stringlib.c */
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| 129 | extern int find_string_in_alist __P((char *, STRING_INT_ALIST *, int));
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| 130 | extern char *find_token_in_alist __P((int, STRING_INT_ALIST *, int));
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| 131 | extern int find_index_in_alist __P((char *, STRING_INT_ALIST *, int));
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| 132 |
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| 133 | extern char *substring __P((char *, int, int));
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| 134 | extern char *strsub __P((char *, char *, char *, int));
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| 135 | extern char *strcreplace __P((char *, int, char *, int));
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| 136 | extern void strip_leading __P((char *));
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| 137 | extern void strip_trailing __P((char *, int, int));
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| 138 | extern void xbcopy __P((char *, char *, int));
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| 139 |
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| 140 | /* Functions from version.c. */
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| 141 | extern char *shell_version_string __P((void));
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| 142 | extern void show_shell_version __P((int));
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| 143 |
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| 144 | /* Functions from the bash library, lib/sh/libsh.a. These should really
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| 145 | go into a separate include file. */
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| 146 |
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| 147 | /* declarations for functions defined in lib/sh/clktck.c */
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| 148 | extern long get_clk_tck __P((void));
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| 149 |
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| 150 | /* declarations for functions defined in lib/sh/clock.c */
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| 151 | extern void clock_t_to_secs ();
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| 152 | extern void print_clock_t ();
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| 153 |
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| 154 | /* Declarations for functions defined in lib/sh/fmtulong.c */
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| 155 | #define FL_PREFIX 0x01 /* add 0x, 0X, or 0 prefix as appropriate */
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| 156 | #define FL_ADDBASE 0x02 /* add base# prefix to converted value */
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| 157 | #define FL_HEXUPPER 0x04 /* use uppercase when converting to hex */
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| 158 | #define FL_UNSIGNED 0x08 /* don't add any sign */
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| 159 |
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| 160 | extern char *fmtulong __P((unsigned long int, int, char *, size_t, int));
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| 161 |
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| 162 | /* Declarations for functions defined in lib/sh/fmtulong.c */
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| 163 | #if defined (HAVE_LONG_LONG)
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| 164 | extern char *fmtullong __P((unsigned long long int, int, char *, size_t, int));
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| 165 | #endif
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| 166 |
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| 167 | /* Declarations for functions defined in lib/sh/fmtumax.c */
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| 168 | extern char *fmtumax __P((uintmax_t, int, char *, size_t, int));
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| 169 |
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| 170 | /* Declarations for functions defined in lib/sh/getcwd.c */
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| 171 | #if !defined (HAVE_GETCWD)
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| 172 | extern char *getcwd __P((char *, size_t));
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| 173 | #endif
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| 174 |
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| 175 | /* Declarations for functions defined in lib/sh/itos.c */
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| 176 | extern char *inttostr __P((intmax_t, char *, size_t));
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| 177 | extern char *itos __P((intmax_t));
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| 178 | extern char *uinttostr __P((uintmax_t, char *, size_t));
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| 179 | extern char *uitos __P((uintmax_t));
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| 180 |
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| 181 | /* declarations for functions defined in lib/sh/makepath.c */
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| 182 | #define MP_DOTILDE 0x01
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| 183 | #define MP_DOCWD 0x02
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| 184 | #define MP_RMDOT 0x04
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| 185 |
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| 186 | extern char *sh_makepath __P((const char *, const char *, int));
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| 187 |
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| 188 | /* declarations for functions defined in lib/sh/netconn.c */
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| 189 | extern int isnetconn __P((int));
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| 190 |
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| 191 | /* declarations for functions defined in lib/sh/netopen.c */
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| 192 | extern int netopen __P((char *));
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| 193 |
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| 194 | /* Declarations for functions defined in lib/sh/oslib.c */
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| 195 |
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| 196 | #if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
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| 197 | extern int dup2 __P((int, int));
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| 198 | #endif
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| 199 |
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| 200 | #if !defined (HAVE_GETDTABLESIZE)
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| 201 | extern int getdtablesize __P((void));
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| 202 | #endif /* !HAVE_GETDTABLESIZE */
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| 203 |
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| 204 | #if !defined (HAVE_GETHOSTNAME)
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| 205 | extern int gethostname __P((char *, int));
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| 206 | #endif /* !HAVE_GETHOSTNAME */
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| 207 |
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| 208 | extern int getmaxgroups __P((void));
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| 209 | extern long getmaxchild __P((void));
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| 210 |
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| 211 | /* declarations for functions defined in lib/sh/pathcanon.c */
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| 212 | #define PATH_CHECKDOTDOT 0x0001
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| 213 | #define PATH_CHECKEXISTS 0x0002
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| 214 | #define PATH_HARDPATH 0x0004
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| 215 | #define PATH_NOALLOC 0x0008
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| 216 |
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| 217 | extern char *sh_canonpath __P((char *, int));
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| 218 |
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| 219 | /* declarations for functions defined in lib/sh/pathphys.c */
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| 220 | extern char *sh_physpath __P((char *, int));
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| 221 | extern char *sh_realpath __P((const char *, char *));
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| 222 |
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| 223 | /* declarations for functions defined in lib/sh/setlinebuf.c */
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| 224 | #ifdef NEED_SH_SETLINEBUF_DECL
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| 225 | extern int sh_setlinebuf __P((FILE *));
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| 226 | #endif
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| 227 |
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| 228 | /* declarations for functions defined in lib/sh/shmatch.c */
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| 229 | extern int sh_regmatch __P((const char *, const char *, int));
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| 230 |
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| 231 | /* defines for flags argument to sh_regmatch. */
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| 232 | #define SHMAT_SUBEXP 0x001 /* save subexpressions in SH_REMATCH */
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| 233 | #define SHMAT_PWARN 0x002 /* print a warning message on invalid regexp */
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| 234 |
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| 235 | /* declarations for functions defined in lib/sh/shquote.c */
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| 236 | extern char *sh_single_quote __P((char *));
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| 237 | extern char *sh_double_quote __P((char *));
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| 238 | extern char *sh_mkdoublequoted __P((const char *, int, int));
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| 239 | extern char *sh_un_double_quote __P((char *));
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| 240 | extern char *sh_backslash_quote __P((char *));
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| 241 | extern char *sh_backslash_quote_for_double_quotes __P((char *));
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| 242 | extern int sh_contains_shell_metas __P((char *));
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| 243 |
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| 244 | /* declarations for functions defined in lib/sh/spell.c */
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| 245 | extern int spname __P((char *, char *));
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| 246 |
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| 247 | /* declarations for functions defined in lib/sh/strcasecmp.c */
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| 248 | #if !defined (HAVE_STRCASECMP)
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| 249 | extern int strncasecmp __P((const char *, const char *, int));
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| 250 | extern int strcasecmp __P((const char *, const char *));
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| 251 | #endif /* HAVE_STRCASECMP */
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| 252 |
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| 253 | /* declarations for functions defined in lib/sh/strerror.c */
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| 254 | #if !defined (strerror)
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| 255 | extern char *strerror __P((int));
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| 256 | #endif
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| 257 |
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| 258 | /* declarations for functions defined in lib/sh/strftime.c */
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| 259 | #if !defined (HAVE_STRFTIME) && defined (NEED_STRFTIME_DECL)
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| 260 | extern size_t strftime __P((char *, size_t, const char *, const struct tm *));
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| 261 | #endif
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| 262 |
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| 263 | /* declarations for functions defined in lib/sh/strindex.c */
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| 264 | extern char *strindex __P((const char *, const char *));
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| 265 |
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| 266 | /* declarations for functions and structures defined in lib/sh/stringlist.c */
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| 267 |
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| 268 | /* This is a general-purpose argv-style array struct. */
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| 269 | typedef struct _list_of_strings {
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| 270 | char **list;
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| 271 | int list_size;
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| 272 | int list_len;
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| 273 | } STRINGLIST;
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| 274 |
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| 275 | typedef int sh_strlist_map_func_t __P((char *));
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| 276 |
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| 277 | extern STRINGLIST *strlist_create __P((int));
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| 278 | extern STRINGLIST *strlist_resize __P((STRINGLIST *, int));
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| 279 | extern void strlist_flush __P((STRINGLIST *));
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| 280 | extern void strlist_dispose __P((STRINGLIST *));
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| 281 | extern int strlist_remove __P((STRINGLIST *, char *));
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| 282 | extern STRINGLIST *strlist_copy __P((STRINGLIST *));
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| 283 | extern STRINGLIST *strlist_merge __P((STRINGLIST *, STRINGLIST *));
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| 284 | extern STRINGLIST *strlist_append __P((STRINGLIST *, STRINGLIST *));
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| 285 | extern STRINGLIST *strlist_prefix_suffix __P((STRINGLIST *, char *, char *));
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| 286 | extern void strlist_print __P((STRINGLIST *, char *));
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| 287 | extern void strlist_walk __P((STRINGLIST *, sh_strlist_map_func_t *));
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| 288 | extern void strlist_sort __P((STRINGLIST *));
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| 289 |
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| 290 | /* declarations for functions defined in lib/sh/stringvec.c */
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| 291 |
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| 292 | extern char **strvec_create __P((int));
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| 293 | extern char **strvec_resize __P((char **, int));
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| 294 | extern void strvec_flush __P((char **));
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| 295 | extern void strvec_dispose __P((char **));
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| 296 | extern int strvec_remove __P((char **, char *));
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| 297 | extern int strvec_len __P((char **));
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| 298 | extern int strvec_search __P((char **, char *));
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| 299 | extern char **strvec_copy __P((char **));
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| 300 | extern int strvec_strcmp __P((char **, char **));
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| 301 | extern void strvec_sort __P((char **));
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| 302 |
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| 303 | extern char **strvec_from_word_list __P((WORD_LIST *, int, int, int *));
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| 304 | extern WORD_LIST *strvec_to_word_list __P((char **, int, int));
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| 305 |
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| 306 | /* declarations for functions defined in lib/sh/strnlen.c */
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| 307 | #if !defined (HAVE_STRNLEN)
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| 308 | extern size_t strnlen __P((const char *, size_t));
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| 309 | #endif
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| 310 |
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| 311 | /* declarations for functions defined in lib/sh/strpbrk.c */
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| 312 | #if !defined (HAVE_STRPBRK)
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| 313 | extern char *strpbrk __P((const char *, const char *));
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| 314 | #endif
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| 315 |
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| 316 | /* declarations for functions defined in lib/sh/strtod.c */
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| 317 | #if !defined (HAVE_STRTOD)
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| 318 | extern double strtod __P((const char *, char **));
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| 319 | #endif
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| 320 |
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| 321 | /* declarations for functions defined in lib/sh/strtol.c */
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| 322 | #if !HAVE_DECL_STRTOL
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| 323 | extern long strtol __P((const char *, char **, int));
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| 324 | #endif
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| 325 |
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| 326 | /* declarations for functions defined in lib/sh/strtoll.c */
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| 327 | #if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOLL
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| 328 | extern long long strtoll __P((const char *, char **, int));
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| 329 | #endif
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| 330 |
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| 331 | /* declarations for functions defined in lib/sh/strtoul.c */
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| 332 | #if !HAVE_DECL_STRTOUL
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| 333 | extern unsigned long strtoul __P((const char *, char **, int));
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| 334 | #endif
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| 335 |
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| 336 | /* declarations for functions defined in lib/sh/strtoull.c */
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| 337 | #if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOULL
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| 338 | extern unsigned long long strtoull __P((const char *, char **, int));
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| 339 | #endif
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| 340 |
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| 341 | /* declarations for functions defined in lib/sh/strimax.c */
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| 342 | #if !HAVE_DECL_STRTOIMAX
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| 343 | extern intmax_t strtoimax __P((const char *, char **, int));
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| 344 | #endif
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| 345 |
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| 346 | /* declarations for functions defined in lib/sh/strumax.c */
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| 347 | #if !HAVE_DECL_STRTOUMAX
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| 348 | extern uintmax_t strtoumax __P((const char *, char **, int));
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| 349 | #endif
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| 350 |
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| 351 | /* declarations for functions defined in lib/sh/strtrans.c */
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| 352 | extern char *ansicstr __P((char *, int, int, int *, int *));
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| 353 | extern char *ansic_quote __P((char *, int, int *));
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| 354 | extern int ansic_shouldquote __P((const char *));
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| 355 | extern char *ansiexpand __P((char *, int, int, int *));
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| 356 |
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| 357 | /* declarations for functions defined in lib/sh/timeval.c. No prototypes
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| 358 | so we don't have to count on having a definition of struct timeval in
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| 359 | scope when this file is included. */
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| 360 | extern void timeval_to_secs ();
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| 361 | extern void print_timeval ();
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| 362 |
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| 363 | /* declarations for functions defined in lib/sh/tmpfile.c */
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| 364 | #define MT_USETMPDIR 0x0001
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| 365 | #define MT_READWRITE 0x0002
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| 366 | #define MT_USERANDOM 0x0004
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| 367 |
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| 368 | extern char *sh_mktmpname __P((char *, int));
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| 369 | extern int sh_mktmpfd __P((char *, int, char **));
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| 370 | /* extern FILE *sh_mktmpfp __P((char *, int, char **)); */
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| 371 |
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| 372 | /* declarations for functions defined in lib/sh/winsize.c */
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| 373 | extern void get_new_window_size __P((int, int *, int *));
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| 374 |
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| 375 | /* declarations for functions defined in lib/sh/xstrchr.c */
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| 376 | #undef xstrchr
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| 377 | extern char *xstrchr __P((const char *, int));
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| 378 |
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| 379 | /* declarations for functions defined in lib/sh/zcatfd.c */
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| 380 | extern int zcatfd __P((int, int, char *));
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| 381 |
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| 382 | /* declarations for functions defined in lib/sh/zread.c */
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| 383 | extern ssize_t zread __P((int, char *, size_t));
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| 384 | extern ssize_t zreadintr __P((int, char *, size_t));
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| 385 | extern ssize_t zreadc __P((int, char *));
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| 386 | extern void zreset __P((void));
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| 387 | extern void zsyncfd __P((int));
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| 388 |
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| 389 | /* declarations for functions defined in lib/sh/zwrite.c */
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| 390 | extern int zwrite __P((int, char *, size_t));
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| 391 |
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| 392 | #endif /* _EXTERNS_H_ */
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