13.5.1 C, C++, Objective C

RPMs

gcc, gpp, gobjc, glibc, gettext

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 function

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" (POSIX but not C 99)

Portability

autoconf (gettext.m4) and #if ENABLE_NLS

po-mode marking

yes