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1 office 1 .\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
2 .\"
3 .\" This is free documentation; you can redistribute it and/or
4 .\" modify it under the terms of the GNU General Public License as
5 .\" published by the Free Software Foundation; either version 2 of
6 .\" the License, or (at your option) any later version.
7 .\"
8 .\" References consulted:
9 .\" GNU glibc-2 source code and manual
10 .\" GNU gettext source code and manual
11 .\" LI18NUX 2000 Globalization Specification
12 .\"
13 .TH NGETTEXT 3 "May 2001" "GNU gettext @VERSION@"
14 .SH NAME
15 ngettext, dngettext, dcngettext \- translate message and choose plural form
16 .SH SYNOPSIS
17 .nf
18 .B #include <libintl.h>
19 .sp
20 .BI "char * ngettext (const char * " msgid ", const char * " msgid_plural ,
21 .BI " unsigned long int " n );
22 .BI "char * dngettext (const char * " domainname ,
23 .BI " const char * " msgid ", const char * " msgid_plural ,
24 .BI " unsigned long int " n );
25 .BI "char * dcngettext (const char * " domainname ,
26 .BI " const char * " msgid ", const char * " msgid_plural ,
27 .BI " unsigned long int " n ", int " category );
28 .fi
29 .SH DESCRIPTION
30 The \fBngettext\fP, \fBdngettext\fP and \fBdcngettext\fP functions attempt to
31 translate a text string into the user's native language, by looking up the
32 appropriate plural form of the translation in a message catalog.
33 .PP
34 Plural forms are grammatical variants depending on the a number. Some languages
35 have two forms, called singular and plural. Other languages have three forms,
36 called singular, dual and plural. There are also languages with four forms.
37 .PP
38 The \fBngettext\fP, \fBdngettext\fP and \fBdcngettext\fP functions work like
39 the \fBgettext\fP, \fBdgettext\fP and \fBdcgettext\fP functions, respectively.
40 Additionally, they choose the appropriate plural form, which depends on the
41 number \fIn\fP and the language of the message catalog where the translation
42 was found.
43 .PP
44 In the "C" locale, or if none of the used catalogs contain a translation for
45 \fImsgid\fP, the \fBngettext\fP, \fBdngettext\fP and \fBdcngettext\fP functions
46 return \fImsgid\fP if \fIn\fP == 1, or \fImsgid_plural\fP if \fIn\fP != 1.
47 .SH "RETURN VALUE"
48 If a translation was found in one of the specified catalogs, the appropriate
49 plural form is converted to the locale's codeset and returned. The resulting
50 string is statically allocated and must not be modified or freed. Otherwise
51 \fImsgid\fP or \fImsgid_plural\fP is returned, as described above.
52 .SH ERRORS
53 \fBerrno\fP is not modified.
54 .SH BUGS
55 The return type ought to be \fBconst char *\fP, but is \fBchar *\fP to avoid
56 warnings in C code predating ANSI C.
57 .SH "SEE ALSO"
58 .BR gettext (3),
59 .BR dgettext (3),
60 .BR dcgettext (3)