GNU gettext utilities: C

15.5.1 C, C++, Objective C

RPMs: gcc, gpp, gobjc, glibc, gettext
Ubuntu packages: gcc, g++, gobjc, libc6-dev, libasprintf-dev
File extension: For C: c, h.

For C++: C, c++, cc, cxx, cpp, hpp.
For Objective C: m.

String syntax: "abc"
gettext shorthand: _("abc")
gettext/ngettext functions: gettext, dgettext, dcgettext, ngettext, dngettext, dcngettext
textdomain: textdomain function
bindtextdomain: bindtextdomain and wbindtextdomain functions
setlocale: Programmer must call setlocale (LC_ALL, "")
Prerequisite: #include <libintl.h>

#include <locale.h>
#define _(string) gettext (string)

Use or emulate GNU gettext: Use
Extractor: xgettext -k_
Formatting with positions: fprintf "%2$d %1$d"

In C++: autosprintf "%2$d %1$d" (see Introduction in GNU autosprintf)

Portability: autoconf (gettext.m4) and #if ENABLE_NLS
po-mode marking: yes

The following examples are available in the examples directory: hello-c, hello-c-gnome, hello-c++, hello-c++-qt, hello-c++-kde, hello-c++-gnome, hello-c++-wxwidgets, hello-objc, hello-objc-gnustep, hello-objc-gnome.