###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_GetPreferredLocales Report the user's preferred locale. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_locale.h) ## Syntax ```c SDL_Locale ** SDL_GetPreferredLocales(int *count); ``` ## Function Parameters | | | | | ----- | --------- | --------------------------------------------------------------------- | | int * | **count** | a pointer filled in with the number of locales returned, may be NULL. | ## Return Value ([SDL_Locale](SDL_Locale) **) Returns a NULL terminated array of locale pointers, or NULL on failure; call [SDL_GetError](SDL_GetError)() for more information. This is a single allocation that should be freed with [SDL_free](SDL_free)() when it is no longer needed. ## Remarks Returned language strings are in the format xx, where 'xx' is an ISO-639 language specifier (such as "en" for English, "de" for German, etc). Country strings are in the format YY, where "YY" is an ISO-3166 country code (such as "US" for the United States, "CA" for Canada, etc). Country might be NULL if there's no specific guidance on them (so you might get { "en", "US" } for American English, but { "en", NULL } means "English language, generically"). Language strings are never NULL, except to terminate the array. Please note that not all of these strings are 2 characters; some are three or more. The returned list of locales are in the order of the user's preference. For example, a German citizen that is fluent in US English and knows enough Japanese to navigate around Tokyo might have a list like: { "de", "en_US", "jp", NULL }. Someone from England might prefer British English (where "color" is spelled "colour", etc), but will settle for anything like it: { "en_GB", "en", NULL }. This function returns NULL on error, including when the platform does not supply this information at all. This might be a "slow" call that has to query the operating system. It's best to ask for this once and save the results. However, this list can change, usually because the user has changed a system preference outside of your program; SDL will send an [SDL_EVENT_LOCALE_CHANGED](SDL_EVENT_LOCALE_CHANGED) event in this case, if possible, and you can call this function again to get an updated copy of preferred locales. ## Version This function is available since SDL 3.1.3. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryLocale](CategoryLocale)