375       const char *locale;  in locale_charset()  local
378       locale = getenv ("LC_ALL");  in locale_charset()
379       if (locale == NULL || locale[0] == '\0')  in locale_charset()
381           locale = getenv ("LC_CTYPE");  in locale_charset()
382           if (locale == NULL || locale[0] == '\0')  in locale_charset()
383             locale = getenv ("LANG");  in locale_charset()
385       if (locale != NULL && locale[0] != '\0')  in locale_charset()
389           const char *dot = strchr (locale, '.');  in locale_charset()
428   const char *locale = NULL;  in locale_charset()  local
435   locale = setlocale (LC_CTYPE, NULL);  in locale_charset()
437   if (locale == NULL || locale[0] == '\0')  in locale_charset()
439       locale = getenv ("LC_ALL");  in locale_charset()
440       if (locale == NULL || locale[0] == '\0')  in locale_charset()
442           locale = getenv ("LC_CTYPE");  in locale_charset()
443           if (locale == NULL || locale[0] == '\0')  in locale_charset()
444             locale = getenv ("LANG");  in locale_charset()
451   codeset = locale;  in locale_charset()
471   const char *locale;  in locale_charset()  local
478   locale = getenv ("LC_ALL");  in locale_charset()
479   if (locale == NULL || locale[0] == '\0')  in locale_charset()
481       locale = getenv ("LC_CTYPE");  in locale_charset()
482       if (locale == NULL || locale[0] == '\0')  in locale_charset()
483         locale = getenv ("LANG");  in locale_charset()
485   if (locale != NULL && locale[0] != '\0')  in locale_charset()
488       const char *dot = strchr (locale, '.');  in locale_charset()
508       codeset = locale;  in locale_charset()