(libc.info.gz) Locales

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 7 Locales and Internationalization
 **********************************
 
 Different countries and cultures have varying conventions for how to
 communicate.  These conventions range from very simple ones, such as the
 format for representing dates and times, to very complex ones, such as
 the language spoken.
 
    "Internationalization" of software means programming it to be able to
 adapt to the user's favorite conventions.  In ISO C,
 internationalization works by means of "locales".  Each locale specifies
 a collection of conventions, one convention for each purpose.  The user
 chooses a set of conventions by specifying a locale (via environment
 variables).
 
    All programs inherit the chosen locale as part of their environment.
 Provided the programs are written to obey the choice of locale, they
 will follow the conventions preferred by the user.
 

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* Effects of Locale           Actions affected by the choice of
                                  locale.
* Choosing Locale             How the user specifies a locale.
* Locale Categories           Different purposes for which you can
                                  select a locale.
* Setting the Locale          How a program specifies the locale
                                  with library functions.
* Standard Locales            Locale names available on all systems.
* Locale Names                Format of system-specific locale names.
* Locale Information          How to access the information for the locale.
* Formatting Numbers          A dedicated function to format numbers.
* Yes-or-No Questions         Check a Response against the locale.
 

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