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310 lines
11 KiB
C
310 lines
11 KiB
C
/* Message catalogs for internationalization.
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Copyright (C) 1995-1997, 2000-2003 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published
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by the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA. */
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#ifndef _LIBINTL_H
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#define _LIBINTL_H 1
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#include <locale.h>
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/* The LC_MESSAGES locale category is the category used by the functions
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gettext() and dgettext(). It is specified in POSIX, but not in ANSI C.
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On systems that don't define it, use an arbitrary value instead.
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On Solaris, <locale.h> defines __LOCALE_H (or _LOCALE_H in Solaris 2.5)
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then includes <libintl.h> (i.e. this file!) and then only defines
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LC_MESSAGES. To avoid a redefinition warning, don't define LC_MESSAGES
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in this case. */
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#if !defined LC_MESSAGES && !(defined __LOCALE_H || (defined _LOCALE_H && defined __sun))
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# define LC_MESSAGES 1729
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#endif
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/* We define an additional symbol to signal that we use the GNU
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implementation of gettext. */
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#define __USE_GNU_GETTEXT 1
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/* Provide information about the supported file formats. Returns the
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maximum minor revision number supported for a given major revision. */
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#define __GNU_GETTEXT_SUPPORTED_REVISION(major) \
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((major) == 0 ? 1 : -1)
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/* Resolve a platform specific conflict on DJGPP. GNU gettext takes
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precedence over _conio_gettext. */
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#ifdef __DJGPP__
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# undef gettext
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#endif
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/* Use _INTL_PARAMS, not PARAMS, in order to avoid clashes with identifiers
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used by programs. Similarly, test __PROTOTYPES, not PROTOTYPES. */
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#ifndef _INTL_PARAMS
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# if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES
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# define _INTL_PARAMS(args) args
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# else
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# define _INTL_PARAMS(args) ()
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# endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* We redirect the functions to those prefixed with "libintl_". This is
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necessary, because some systems define gettext/textdomain/... in the C
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library (namely, Solaris 2.4 and newer, and GNU libc 2.0 and newer).
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If we used the unprefixed names, there would be cases where the
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definition in the C library would override the one in the libintl.so
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shared library. Recall that on ELF systems, the symbols are looked
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up in the following order:
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1. in the executable,
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2. in the shared libraries specified on the link command line, in order,
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3. in the dependencies of the shared libraries specified on the link
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command line,
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4. in the dlopen()ed shared libraries, in the order in which they were
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dlopen()ed.
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The definition in the C library would override the one in libintl.so if
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either
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* -lc is given on the link command line and -lintl isn't, or
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* -lc is given on the link command line before -lintl, or
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* libintl.so is a dependency of a dlopen()ed shared library but not
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linked to the executable at link time.
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Since Solaris gettext() behaves differently than GNU gettext(), this
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would be unacceptable.
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The redirection happens by default through macros in C, so that &gettext
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is independent of the compilation unit, but through inline functions in
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C++, in order not to interfere with the name mangling of class fields or
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class methods called 'gettext'. */
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/* The user can define _INTL_REDIRECT_INLINE or _INTL_REDIRECT_MACROS.
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If he doesn't, we choose the method. A third possible method is
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_INTL_REDIRECT_ASM, supported only by GCC. */
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#if !(defined _INTL_REDIRECT_INLINE || defined _INTL_REDIRECT_MACROS)
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# if __GNUC__ >= 2 && !defined __APPLE_CC__ && (defined __STDC__ || defined __cplusplus)
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# define _INTL_REDIRECT_ASM
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# else
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# ifdef __cplusplus
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# define _INTL_REDIRECT_INLINE
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# else
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# define _INTL_REDIRECT_MACROS
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# endif
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# endif
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#endif
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/* Auxiliary macros. */
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#ifdef _INTL_REDIRECT_ASM
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# define _INTL_ASM(cname) __asm__ (_INTL_ASMNAME (__USER_LABEL_PREFIX__, #cname))
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# define _INTL_ASMNAME(prefix,cnamestring) _INTL_STRINGIFY (prefix) cnamestring
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# define _INTL_STRINGIFY(prefix) #prefix
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#else
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# define _INTL_ASM(cname)
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#endif
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/* Look up MSGID in the current default message catalog for the current
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LC_MESSAGES locale. If not found, returns MSGID itself (the default
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text). */
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#ifdef _INTL_REDIRECT_INLINE
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extern char *libintl_gettext (const char *__msgid);
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static inline char *gettext (const char *__msgid)
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{
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return libintl_gettext (__msgid);
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}
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#else
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#ifdef _INTL_REDIRECT_MACROS
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# define gettext libintl_gettext
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#endif
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extern char *gettext _INTL_PARAMS ((const char *__msgid))
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_INTL_ASM (libintl_gettext);
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#endif
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/* Look up MSGID in the DOMAINNAME message catalog for the current
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LC_MESSAGES locale. */
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#ifdef _INTL_REDIRECT_INLINE
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extern char *libintl_dgettext (const char *__domainname, const char *__msgid);
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static inline char *dgettext (const char *__domainname, const char *__msgid)
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{
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return libintl_dgettext (__domainname, __msgid);
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}
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#else
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#ifdef _INTL_REDIRECT_MACROS
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# define dgettext libintl_dgettext
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#endif
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extern char *dgettext _INTL_PARAMS ((const char *__domainname,
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const char *__msgid))
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_INTL_ASM (libintl_dgettext);
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#endif
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/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY
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locale. */
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#ifdef _INTL_REDIRECT_INLINE
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extern char *libintl_dcgettext (const char *__domainname, const char *__msgid,
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int __category);
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static inline char *dcgettext (const char *__domainname, const char *__msgid,
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int __category)
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{
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return libintl_dcgettext (__domainname, __msgid, __category);
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}
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#else
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#ifdef _INTL_REDIRECT_MACROS
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# define dcgettext libintl_dcgettext
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#endif
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extern char *dcgettext _INTL_PARAMS ((const char *__domainname,
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const char *__msgid,
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int __category))
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_INTL_ASM (libintl_dcgettext);
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#endif
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/* Similar to `gettext' but select the plural form corresponding to the
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number N. */
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#ifdef _INTL_REDIRECT_INLINE
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extern char *libintl_ngettext (const char *__msgid1, const char *__msgid2,
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unsigned long int __n);
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static inline char *ngettext (const char *__msgid1, const char *__msgid2,
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unsigned long int __n)
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{
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return libintl_ngettext (__msgid1, __msgid2, __n);
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}
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#else
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#ifdef _INTL_REDIRECT_MACROS
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# define ngettext libintl_ngettext
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#endif
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extern char *ngettext _INTL_PARAMS ((const char *__msgid1,
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const char *__msgid2,
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unsigned long int __n))
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_INTL_ASM (libintl_ngettext);
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#endif
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/* Similar to `dgettext' but select the plural form corresponding to the
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number N. */
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#ifdef _INTL_REDIRECT_INLINE
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extern char *libintl_dngettext (const char *__domainname, const char *__msgid1,
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const char *__msgid2, unsigned long int __n);
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static inline char *dngettext (const char *__domainname, const char *__msgid1,
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const char *__msgid2, unsigned long int __n)
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{
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return libintl_dngettext (__domainname, __msgid1, __msgid2, __n);
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}
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#else
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#ifdef _INTL_REDIRECT_MACROS
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# define dngettext libintl_dngettext
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#endif
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extern char *dngettext _INTL_PARAMS ((const char *__domainname,
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const char *__msgid1,
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const char *__msgid2,
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unsigned long int __n))
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_INTL_ASM (libintl_dngettext);
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#endif
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/* Similar to `dcgettext' but select the plural form corresponding to the
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number N. */
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#ifdef _INTL_REDIRECT_INLINE
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extern char *libintl_dcngettext (const char *__domainname,
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const char *__msgid1, const char *__msgid2,
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unsigned long int __n, int __category);
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static inline char *dcngettext (const char *__domainname,
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const char *__msgid1, const char *__msgid2,
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unsigned long int __n, int __category)
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{
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return libintl_dcngettext (__domainname, __msgid1, __msgid2, __n, __category);
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}
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#else
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#ifdef _INTL_REDIRECT_MACROS
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# define dcngettext libintl_dcngettext
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#endif
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extern char *dcngettext _INTL_PARAMS ((const char *__domainname,
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const char *__msgid1,
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const char *__msgid2,
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unsigned long int __n,
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int __category))
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_INTL_ASM (libintl_dcngettext);
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#endif
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/* Set the current default message catalog to DOMAINNAME.
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If DOMAINNAME is null, return the current default.
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If DOMAINNAME is "", reset to the default of "messages". */
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#ifdef _INTL_REDIRECT_INLINE
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extern char *libintl_textdomain (const char *__domainname);
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static inline char *textdomain (const char *__domainname)
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{
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return libintl_textdomain (__domainname);
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}
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#else
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#ifdef _INTL_REDIRECT_MACROS
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# define textdomain libintl_textdomain
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#endif
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extern char *textdomain _INTL_PARAMS ((const char *__domainname))
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_INTL_ASM (libintl_textdomain);
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#endif
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/* Specify that the DOMAINNAME message catalog will be found
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in DIRNAME rather than in the system locale data base. */
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#ifdef _INTL_REDIRECT_INLINE
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extern char *libintl_bindtextdomain (const char *__domainname,
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const char *__dirname);
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static inline char *bindtextdomain (const char *__domainname,
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const char *__dirname)
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{
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return libintl_bindtextdomain (__domainname, __dirname);
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}
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#else
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#ifdef _INTL_REDIRECT_MACROS
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# define bindtextdomain libintl_bindtextdomain
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#endif
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extern char *bindtextdomain _INTL_PARAMS ((const char *__domainname,
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const char *__dirname))
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_INTL_ASM (libintl_bindtextdomain);
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#endif
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/* Specify the character encoding in which the messages from the
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DOMAINNAME message catalog will be returned. */
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#ifdef _INTL_REDIRECT_INLINE
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extern char *libintl_bind_textdomain_codeset (const char *__domainname,
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const char *__codeset);
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static inline char *bind_textdomain_codeset (const char *__domainname,
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const char *__codeset)
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{
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return libintl_bind_textdomain_codeset (__domainname, __codeset);
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}
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#else
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#ifdef _INTL_REDIRECT_MACROS
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# define bind_textdomain_codeset libintl_bind_textdomain_codeset
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#endif
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extern char *bind_textdomain_codeset _INTL_PARAMS ((const char *__domainname,
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const char *__codeset))
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_INTL_ASM (libintl_bind_textdomain_codeset);
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#endif
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/* Support for relocatable packages. */
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/* Sets the original and the current installation prefix of the package.
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Relocation simply replaces a pathname starting with the original prefix
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by the corresponding pathname with the current prefix instead. Both
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prefixes should be directory names without trailing slash (i.e. use ""
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instead of "/"). */
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#define libintl_set_relocation_prefix libintl_set_relocation_prefix
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extern void
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libintl_set_relocation_prefix _INTL_PARAMS ((const char *orig_prefix,
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const char *curr_prefix));
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#ifdef __cplusplus
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}
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#endif
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#endif /* libintl.h */
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