+
+@RET@ FcStrSet *
+@FUNC@ FcGetDefaultLangs
+@TYPE1@ void
+@PURPOSE@ Get the default languages list
+@DESC@
+Returns a string set of the default languages according to the environment variables on the system.
+This function looks for them in order of FC_LANG, LC_ALL, LC_CTYPE and LANG then.
+If there are no valid values in those environment variables, "en" will be set as fallback.
+
+@RET@ FcStrSet *
+@FUNC@ FcLangSetGetLangs
+@TYPE1@ const FcLangSet * @ARG1@ ls
+@PURPOSE@ get the list of languages in the langset
+@DESC@
+Returns a string set of all languages in <parameter>langset</parameter>.
+@@
+
+@RET@ FcStrSet *
+@FUNC@ FcGetLangs
+@TYPE1@ void
+@PURPOSE@ Get list of languages
+@DESC@
+Returns a string set of all known languages.
+@@
+
+@RET@ FcChar8 *
+@FUNC@ FcLangNormalize
+@TYPE1@ const FcChar8 * @ARG1@ lang
+@PURPOSE@ Normalize the language string
+@DESC@
+Returns a string to make <parameter>lang</parameter> suitable on fontconfig.
+@@
+
+@RET@ const FcCharSet *
+@FUNC@ FcLangGetCharSet
+@TYPE1@ const FcChar8 * @ARG1@ lang
+@PURPOSE@ Get character map for a language
+@DESC@
+Returns the FcCharMap for a language.
+@@