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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 TEXTDOMAIN 3 "May 2001" "GNU gettext @VERSION@"
14 .SH NAME
15 textdomain \- set domain for future gettext() calls
16 .SH SYNOPSIS
17 .nf
18 .B #include <libintl.h>
19 .sp
20 .BI "char * textdomain (const char * " domainname );
21 .fi
22 .SH DESCRIPTION
23 The \fBtextdomain\fP function sets or retrieves the current message domain.
24 .PP
25 A message domain is a set of translatable \fImsgid\fP messages. Usually,
26 every software package has its own message domain. The domain name is used
27 to determine the message catalog where a translation is looked up; it must
28 be a non-empty string.
29 .PP
30 The current message domain is used by the \fBgettext\fP, \fBngettext\fP
31 functions, and by the \fBdgettext\fP, \fBdcgettext\fP, \fBdngettext\fP and
32 \fBdcngettext\fP functions when called with a NULL domainname argument.
33 .PP
34 If \fIdomainname\fP is not NULL, the current message domain is set to
35 \fIdomainname\fP. The string the function stores internally is a copy of the
36 \fIdomainname\fP argument.
37 .PP
38 If \fIdomainname\fP is NULL, the function returns the current message domain.
39 .SH "RETURN VALUE"
40 If successful, the \fBtextdomain\fP function returns the current message
41 domain, after possibly changing it. The resulting string is valid until the
42 next \fBtextdomain\fP call and must not be modified or freed. If a memory
43 allocation failure occurs, it sets \fBerrno\fP to \fBENOMEM\fP and returns
44 NULL.
45 .SH ERRORS
46 The following error can occur, among others:
47 .TP
48 .B ENOMEM
49 Not enough memory available.
50 .SH BUGS
51 The return type ought to be \fBconst char *\fP, but is \fBchar *\fP to avoid
52 warnings in C code predating ANSI C.
53 .SH "SEE ALSO"
54 .BR gettext (3),
55 .BR ngettext (3),
56 .BR bindtextdomain (3),
57 .BR bind_textdomain_codeset (3)