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+/* externs.h -- extern function declarations which do not appear in their
+ own header file. */
+
+/* Copyright (C) 1993-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* Make sure that this is included *after* config.h! */
+
+#if !defined (_EXTERNS_H_)
+# define _EXTERNS_H_
+
+#include "stdc.h"
+
+/* Functions from expr.c. */
+#define EXP_EXPANDED 0x01
+
+extern intmax_t evalexp PARAMS((char *, int, int *));
+
+/* Functions from print_cmd.c. */
+#define FUNC_MULTILINE 0x01
+#define FUNC_EXTERNAL 0x02
+
+extern char *make_command_string PARAMS((COMMAND *));
+extern char *named_function_string PARAMS((char *, COMMAND *, int));
+
+extern void print_command PARAMS((COMMAND *));
+extern void print_simple_command PARAMS((SIMPLE_COM *));
+extern void print_word_list PARAMS((WORD_LIST *, char *));
+
+/* debugger support */
+extern void print_for_command_head PARAMS((FOR_COM *));
+#if defined (SELECT_COMMAND)
+extern void print_select_command_head PARAMS((SELECT_COM *));
+#endif
+extern void print_case_command_head PARAMS((CASE_COM *));
+#if defined (DPAREN_ARITHMETIC)
+extern void print_arith_command PARAMS((WORD_LIST *));
+#endif
+#if defined (COND_COMMAND)
+extern void print_cond_command PARAMS((COND_COM *));
+#endif
+
+/* set -x support */
+extern void xtrace_init PARAMS((void));
+#ifdef NEED_XTRACE_SET_DECL
+extern void xtrace_set PARAMS((int, FILE *));
+#endif
+extern void xtrace_fdchk PARAMS((int));
+extern void xtrace_reset PARAMS((void));
+extern char *indirection_level_string PARAMS((void));
+extern void xtrace_print_assignment PARAMS((char *, char *, int, int));
+extern void xtrace_print_word_list PARAMS((WORD_LIST *, int));
+extern void xtrace_print_for_command_head PARAMS((FOR_COM *));
+#if defined (SELECT_COMMAND)
+extern void xtrace_print_select_command_head PARAMS((SELECT_COM *));
+#endif
+extern void xtrace_print_case_command_head PARAMS((CASE_COM *));
+#if defined (DPAREN_ARITHMETIC)
+extern void xtrace_print_arith_cmd PARAMS((WORD_LIST *));
+#endif
+#if defined (COND_COMMAND)
+extern void xtrace_print_cond_term PARAMS((int, int, WORD_DESC *, char *, char *));
+#endif
+
+/* Functions from shell.c. */
+extern void exit_shell PARAMS((int)) __attribute__((__noreturn__));
+extern void sh_exit PARAMS((int)) __attribute__((__noreturn__));
+extern void subshell_exit PARAMS((int)) __attribute__((__noreturn__));
+extern void set_exit_status PARAMS((int));
+extern void disable_priv_mode PARAMS((void));
+extern void unbind_args PARAMS((void));
+
+#if defined (RESTRICTED_SHELL)
+extern int shell_is_restricted PARAMS((char *));
+extern int maybe_make_restricted PARAMS((char *));
+#endif
+
+extern void unset_bash_input PARAMS((int));
+extern void get_current_user_info PARAMS((void));
+
+/* Functions from eval.c. */
+extern int reader_loop PARAMS((void));
+extern int pretty_print_loop PARAMS((void));
+extern int parse_command PARAMS((void));
+extern int read_command PARAMS((void));
+
+/* Functions from braces.c. */
+#if defined (BRACE_EXPANSION)
+extern char **brace_expand PARAMS((char *));
+#endif
+
+/* Miscellaneous functions from parse.y */
+extern int yyparse PARAMS((void));
+extern int return_EOF PARAMS((void));
+extern void push_token PARAMS((int));
+extern char *xparse_dolparen PARAMS((char *, char *, int *, int));
+extern void reset_parser PARAMS((void));
+extern void reset_readahead_token PARAMS((void));
+extern WORD_LIST *parse_string_to_word_list PARAMS((char *, int, const char *));
+
+extern int parser_will_prompt PARAMS((void));
+extern int parser_in_command_position PARAMS((void));
+
+extern void free_pushed_string_input PARAMS((void));
+
+extern int parser_expanding_alias PARAMS((void));
+extern void parser_save_alias PARAMS((void));
+extern void parser_restore_alias PARAMS((void));
+
+extern void clear_shell_input_line PARAMS((void));
+
+extern char *decode_prompt_string PARAMS((char *));
+
+extern int get_current_prompt_level PARAMS((void));
+extern void set_current_prompt_level PARAMS((int));
+
+#if defined (HISTORY)
+extern char *history_delimiting_chars PARAMS((const char *));
+#endif
+
+/* Declarations for functions defined in locale.c */
+extern void set_default_locale PARAMS((void));
+extern void set_default_locale_vars PARAMS((void));
+extern int set_locale_var PARAMS((char *, char *));
+extern int set_lang PARAMS((char *, char *));
+extern void set_default_lang PARAMS((void));
+extern char *get_locale_var PARAMS((char *));
+extern char *localetrans PARAMS((char *, int, int *));
+extern char *mk_msgstr PARAMS((char *, int *));
+extern char *localeexpand PARAMS((char *, int, int, int, int *));
+#ifndef locale_decpoint
+extern int locale_decpoint PARAMS((void));
+#endif
+
+/* Declarations for functions defined in list.c. */
+extern void list_walk PARAMS((GENERIC_LIST *, sh_glist_func_t *));
+extern void wlist_walk PARAMS((WORD_LIST *, sh_icpfunc_t *));
+extern GENERIC_LIST *list_reverse ();
+extern int list_length ();
+extern GENERIC_LIST *list_append ();
+extern GENERIC_LIST *list_remove ();
+
+/* Declarations for functions defined in stringlib.c */
+extern int find_string_in_alist PARAMS((char *, STRING_INT_ALIST *, int));
+extern char *find_token_in_alist PARAMS((int, STRING_INT_ALIST *, int));
+extern int find_index_in_alist PARAMS((char *, STRING_INT_ALIST *, int));
+
+extern char *substring PARAMS((const char *, int, int));
+extern char *strsub PARAMS((char *, char *, char *, int));
+extern char *strcreplace PARAMS((char *, int, const char *, int));
+extern void strip_leading PARAMS((char *));
+extern void strip_trailing PARAMS((char *, int, int));
+extern void xbcopy PARAMS((char *, char *, int));
+
+/* Functions from version.c. */
+extern char *shell_version_string PARAMS((void));
+extern void show_shell_version PARAMS((int));
+
+/* Functions from the bash library, lib/sh/libsh.a. These should really
+ go into a separate include file. */
+
+/* declarations for functions defined in lib/sh/casemod.c */
+extern char *sh_modcase PARAMS((const char *, char *, int));
+
+/* Defines for flags argument to sh_modcase. These need to agree with what's
+ in lib/sh/casemode.c */
+#define CASE_LOWER 0x0001
+#define CASE_UPPER 0x0002
+#define CASE_CAPITALIZE 0x0004
+#define CASE_UNCAP 0x0008
+#define CASE_TOGGLE 0x0010
+#define CASE_TOGGLEALL 0x0020
+#define CASE_UPFIRST 0x0040
+#define CASE_LOWFIRST 0x0080
+
+#define CASE_USEWORDS 0x1000
+
+/* declarations for functions defined in lib/sh/clktck.c */
+extern long get_clk_tck PARAMS((void));
+
+/* declarations for functions defined in lib/sh/clock.c */
+extern void clock_t_to_secs ();
+extern void print_clock_t ();
+
+/* Declarations for functions defined in lib/sh/dprintf.c */
+#if !defined (HAVE_DPRINTF)
+extern void dprintf PARAMS((int, const char *, ...)) __attribute__((__format__ (printf, 2, 3)));
+#endif
+
+/* Declarations for functions defined in lib/sh/fmtulong.c */
+#define FL_PREFIX 0x01 /* add 0x, 0X, or 0 prefix as appropriate */
+#define FL_ADDBASE 0x02 /* add base# prefix to converted value */
+#define FL_HEXUPPER 0x04 /* use uppercase when converting to hex */
+#define FL_UNSIGNED 0x08 /* don't add any sign */
+
+extern char *fmtulong PARAMS((unsigned long int, int, char *, size_t, int));
+
+/* Declarations for functions defined in lib/sh/fmtulong.c */
+#if defined (HAVE_LONG_LONG)
+extern char *fmtullong PARAMS((unsigned long long int, int, char *, size_t, int));
+#endif
+
+/* Declarations for functions defined in lib/sh/fmtumax.c */
+extern char *fmtumax PARAMS((uintmax_t, int, char *, size_t, int));
+
+/* Declarations for functions defined in lib/sh/fnxform.c */
+extern char *fnx_fromfs PARAMS((char *, size_t));
+extern char *fnx_tofs PARAMS((char *, size_t));
+
+/* Declarations for functions defined in lib/sh/fpurge.c */
+
+#if defined NEED_FPURGE_DECL
+#if !HAVE_DECL_FPURGE
+
+#if HAVE_FPURGE
+# define fpurge _bash_fpurge
+#endif
+extern int fpurge PARAMS((FILE *stream));
+
+#endif /* HAVE_DECL_FPURGE */
+#endif /* NEED_FPURGE_DECL */
+
+/* Declarations for functions defined in lib/sh/getcwd.c */
+#if !defined (HAVE_GETCWD)
+extern char *getcwd PARAMS((char *, size_t));
+#endif
+
+/* Declarations for functions defined in lib/sh/input_avail.c */
+extern int input_avail PARAMS((int));
+
+/* Declarations for functions defined in lib/sh/itos.c */
+extern char *inttostr PARAMS((intmax_t, char *, size_t));
+extern char *itos PARAMS((intmax_t));
+extern char *mitos PARAMS((intmax_t));
+extern char *uinttostr PARAMS((uintmax_t, char *, size_t));
+extern char *uitos PARAMS((uintmax_t));
+
+/* declarations for functions defined in lib/sh/makepath.c */
+#define MP_DOTILDE 0x01
+#define MP_DOCWD 0x02
+#define MP_RMDOT 0x04
+#define MP_IGNDOT 0x08
+
+extern char *sh_makepath PARAMS((const char *, const char *, int));
+
+/* declarations for functions defined in lib/sh/mbscasecmp.c */
+#if !defined (HAVE_MBSCASECMP)
+extern char *mbscasecmp PARAMS((const char *, const char *));
+#endif
+
+/* declarations for functions defined in lib/sh/mbschr.c */
+#if !defined (HAVE_MBSCHR)
+extern char *mbschr PARAMS((const char *, int));
+#endif
+
+/* declarations for functions defined in lib/sh/mbscmp.c */
+#if !defined (HAVE_MBSCMP)
+extern char *mbscmp PARAMS((const char *, const char *));
+#endif
+
+/* declarations for functions defined in lib/sh/netconn.c */
+extern int isnetconn PARAMS((int));
+
+/* declarations for functions defined in lib/sh/netopen.c */
+extern int netopen PARAMS((char *));
+
+/* Declarations for functions defined in lib/sh/oslib.c */
+
+#if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
+extern int dup2 PARAMS((int, int));
+#endif
+
+#if !defined (HAVE_GETDTABLESIZE)
+extern int getdtablesize PARAMS((void));
+#endif /* !HAVE_GETDTABLESIZE */
+
+#if !defined (HAVE_GETHOSTNAME)
+extern int gethostname PARAMS((char *, int));
+#endif /* !HAVE_GETHOSTNAME */
+
+extern int getmaxgroups PARAMS((void));
+extern long getmaxchild PARAMS((void));
+
+/* declarations for functions defined in lib/sh/pathcanon.c */
+#define PATH_CHECKDOTDOT 0x0001
+#define PATH_CHECKEXISTS 0x0002
+#define PATH_HARDPATH 0x0004
+#define PATH_NOALLOC 0x0008
+
+extern char *sh_canonpath PARAMS((char *, int));
+
+/* declarations for functions defined in lib/sh/pathphys.c */
+extern char *sh_physpath PARAMS((char *, int));
+extern char *sh_realpath PARAMS((const char *, char *));
+
+/* declarations for functions defined in lib/sh/random.c */
+extern int brand PARAMS((void));
+extern void sbrand PARAMS((unsigned long)); /* set bash random number generator. */
+extern void seedrand PARAMS((void)); /* seed generator randomly */
+extern void seedrand32 PARAMS((void));
+extern u_bits32_t get_urandom32 PARAMS((void));
+
+/* declarations for functions defined in lib/sh/setlinebuf.c */
+#ifdef NEED_SH_SETLINEBUF_DECL
+extern int sh_setlinebuf PARAMS((FILE *));
+#endif
+
+/* declarations for functions defined in lib/sh/shaccess.c */
+extern int sh_eaccess PARAMS((const char *, int));
+
+/* declarations for functions defined in lib/sh/shmatch.c */
+extern int sh_regmatch PARAMS((const char *, const char *, int));
+
+/* defines for flags argument to sh_regmatch. */
+#define SHMAT_SUBEXP 0x001 /* save subexpressions in SH_REMATCH */
+#define SHMAT_PWARN 0x002 /* print a warning message on invalid regexp */
+
+/* declarations for functions defined in lib/sh/shmbchar.c */
+extern size_t mbstrlen PARAMS((const char *));
+extern char *mbsmbchar PARAMS((const char *));
+extern int sh_mbsnlen PARAMS((const char *, size_t, int));
+
+/* declarations for functions defined in lib/sh/shquote.c */
+extern char *sh_single_quote PARAMS((const char *));
+extern char *sh_double_quote PARAMS((const char *));
+extern char *sh_mkdoublequoted PARAMS((const char *, int, int));
+extern char *sh_un_double_quote PARAMS((char *));
+extern char *sh_backslash_quote PARAMS((char *, const char *, int));
+extern char *sh_backslash_quote_for_double_quotes PARAMS((char *));
+extern char *sh_quote_reusable PARAMS((char *, int));
+extern int sh_contains_shell_metas PARAMS((const char *));
+extern int sh_contains_quotes PARAMS((const char *));
+
+/* declarations for functions defined in lib/sh/spell.c */
+extern int spname PARAMS((char *, char *));
+extern char *dirspell PARAMS((char *));
+
+/* declarations for functions defined in lib/sh/strcasecmp.c */
+#if !defined (HAVE_STRCASECMP)
+extern int strncasecmp PARAMS((const char *, const char *, size_t));
+extern int strcasecmp PARAMS((const char *, const char *));
+#endif /* HAVE_STRCASECMP */
+
+/* declarations for functions defined in lib/sh/strcasestr.c */
+#if ! HAVE_STRCASESTR
+extern char *strcasestr PARAMS((const char *, const char *));
+#endif
+
+/* declarations for functions defined in lib/sh/strchrnul.c */
+#if ! HAVE_STRCHRNUL
+extern char *strchrnul PARAMS((const char *, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strerror.c */
+#if !defined (HAVE_STRERROR) && !defined (strerror)
+extern char *strerror PARAMS((int));
+#endif
+
+/* declarations for functions defined in lib/sh/strftime.c */
+#if !defined (HAVE_STRFTIME) && defined (NEED_STRFTIME_DECL)
+extern size_t strftime PARAMS((char *, size_t, const char *, const struct tm *));
+#endif
+
+/* declarations for functions and structures defined in lib/sh/stringlist.c */
+
+/* This is a general-purpose argv-style array struct. */
+typedef struct _list_of_strings {
+ char **list;
+ int list_size;
+ int list_len;
+} STRINGLIST;
+
+typedef int sh_strlist_map_func_t PARAMS((char *));
+
+extern STRINGLIST *strlist_create PARAMS((int));
+extern STRINGLIST *strlist_resize PARAMS((STRINGLIST *, int));
+extern void strlist_flush PARAMS((STRINGLIST *));
+extern void strlist_dispose PARAMS((STRINGLIST *));
+extern int strlist_remove PARAMS((STRINGLIST *, char *));
+extern STRINGLIST *strlist_copy PARAMS((STRINGLIST *));
+extern STRINGLIST *strlist_merge PARAMS((STRINGLIST *, STRINGLIST *));
+extern STRINGLIST *strlist_append PARAMS((STRINGLIST *, STRINGLIST *));
+extern STRINGLIST *strlist_prefix_suffix PARAMS((STRINGLIST *, char *, char *));
+extern void strlist_print PARAMS((STRINGLIST *, char *));
+extern void strlist_walk PARAMS((STRINGLIST *, sh_strlist_map_func_t *));
+extern void strlist_sort PARAMS((STRINGLIST *));
+
+/* declarations for functions defined in lib/sh/stringvec.c */
+
+extern char **strvec_create PARAMS((int));
+extern char **strvec_resize PARAMS((char **, int));
+extern char **strvec_mcreate PARAMS((int));
+extern char **strvec_mresize PARAMS((char **, int));
+extern void strvec_flush PARAMS((char **));
+extern void strvec_dispose PARAMS((char **));
+extern int strvec_remove PARAMS((char **, char *));
+extern int strvec_len PARAMS((char **));
+extern int strvec_search PARAMS((char **, char *));
+extern char **strvec_copy PARAMS((char **));
+extern int strvec_posixcmp PARAMS((char **, char **));
+extern int strvec_strcmp PARAMS((char **, char **));
+extern void strvec_sort PARAMS((char **, int));
+
+extern char **strvec_from_word_list PARAMS((WORD_LIST *, int, int, int *));
+extern WORD_LIST *strvec_to_word_list PARAMS((char **, int, int));
+
+/* declarations for functions defined in lib/sh/strnlen.c */
+#if !defined (HAVE_STRNLEN)
+extern size_t strnlen PARAMS((const char *, size_t));
+#endif
+
+/* declarations for functions defined in lib/sh/strpbrk.c */
+#if !defined (HAVE_STRPBRK)
+extern char *strpbrk PARAMS((const char *, const char *));
+#endif
+
+/* declarations for functions defined in lib/sh/strtod.c */
+#if !defined (HAVE_STRTOD)
+extern double strtod PARAMS((const char *, char **));
+#endif
+
+/* declarations for functions defined in lib/sh/strtol.c */
+#if !HAVE_DECL_STRTOL
+extern long strtol PARAMS((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strtoll.c */
+#if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOLL
+extern long long strtoll PARAMS((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strtoul.c */
+#if !HAVE_DECL_STRTOUL
+extern unsigned long strtoul PARAMS((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strtoull.c */
+#if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOULL
+extern unsigned long long strtoull PARAMS((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strimax.c */
+#if !HAVE_DECL_STRTOIMAX
+extern intmax_t strtoimax PARAMS((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strumax.c */
+#if !HAVE_DECL_STRTOUMAX
+extern uintmax_t strtoumax PARAMS((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strtrans.c */
+extern char *ansicstr PARAMS((char *, int, int, int *, int *));
+extern char *ansic_quote PARAMS((char *, int, int *));
+extern int ansic_shouldquote PARAMS((const char *));
+extern char *ansiexpand PARAMS((char *, int, int, int *));
+
+/* declarations for functions defined in lib/sh/timeval.c. No prototypes
+ so we don't have to count on having a definition of struct timeval in
+ scope when this file is included. */
+extern void timeval_to_secs ();
+extern void print_timeval ();
+
+/* declarations for functions defined in lib/sh/tmpfile.c */
+#define MT_USETMPDIR 0x0001
+#define MT_READWRITE 0x0002
+#define MT_USERANDOM 0x0004
+#define MT_TEMPLATE 0x0008
+
+extern char *sh_mktmpname PARAMS((char *, int));
+extern int sh_mktmpfd PARAMS((char *, int, char **));
+/* extern FILE *sh_mktmpfp PARAMS((char *, int, char **)); */
+extern char *sh_mktmpdir PARAMS((char *, int));
+
+/* declarations for functions defined in lib/sh/uconvert.c */
+extern int uconvert PARAMS((char *, long *, long *, char **));
+
+/* declarations for functions defined in lib/sh/ufuncs.c */
+extern unsigned int falarm PARAMS((unsigned int, unsigned int));
+extern unsigned int fsleep PARAMS((unsigned int, unsigned int));
+
+/* declarations for functions defined in lib/sh/unicode.c */
+extern int u32cconv PARAMS((unsigned long, char *));
+extern void u32reset PARAMS((void));
+
+/* declarations for functions defined in lib/sh/utf8.c */
+extern char *utf8_mbschr PARAMS((const char *, int));
+extern int utf8_mbscmp PARAMS((const char *, const char *));
+extern char *utf8_mbsmbchar PARAMS((const char *));
+extern int utf8_mbsnlen PARAMS((const char *, size_t, int));
+extern int utf8_mblen PARAMS((const char *, size_t));
+extern size_t utf8_mbstrlen PARAMS((const char *));
+
+/* declarations for functions defined in lib/sh/wcsnwidth.c */
+#if defined (HANDLE_MULTIBYTE)
+extern int wcsnwidth PARAMS((const wchar_t *, size_t, int));
+#endif
+
+/* declarations for functions defined in lib/sh/winsize.c */
+extern void get_new_window_size PARAMS((int, int *, int *));
+
+/* declarations for functions defined in lib/sh/zcatfd.c */
+extern int zcatfd PARAMS((int, int, char *));
+
+/* declarations for functions defined in lib/sh/zgetline.c */
+extern ssize_t zgetline PARAMS((int, char **, size_t *, int, int));
+
+/* declarations for functions defined in lib/sh/zmapfd.c */
+extern int zmapfd PARAMS((int, char **, char *));
+
+/* declarations for functions defined in lib/sh/zread.c */
+extern ssize_t zread PARAMS((int, char *, size_t));
+extern ssize_t zreadretry PARAMS((int, char *, size_t));
+extern ssize_t zreadintr PARAMS((int, char *, size_t));
+extern ssize_t zreadc PARAMS((int, char *));
+extern ssize_t zreadcintr PARAMS((int, char *));
+extern ssize_t zreadn PARAMS((int, char *, size_t));
+extern void zreset PARAMS((void));
+extern void zsyncfd PARAMS((int));
+
+/* declarations for functions defined in lib/sh/zwrite.c */
+extern int zwrite PARAMS((int, char *, size_t));
+
+/* declarations for functions defined in lib/glob/gmisc.c */
+extern int match_pattern_char PARAMS((char *, char *, int));
+extern int umatchlen PARAMS((char *, size_t));
+
+#if defined (HANDLE_MULTIBYTE)
+extern int match_pattern_wchar PARAMS((wchar_t *, wchar_t *, int));
+extern int wmatchlen PARAMS((wchar_t *, size_t));
+#endif
+
+#endif /* _EXTERNS_H_ */
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