346       const char *locale;  in locale_charset()  local
349       locale = getenv ("LC_ALL");  in locale_charset()
350       if (locale == NULL || locale[0] == '\0')  in locale_charset()
352 	  locale = getenv ("LC_CTYPE");  in locale_charset()
353 	  if (locale == NULL || locale[0] == '\0')  in locale_charset()
354 	    locale = getenv ("LANG");  in locale_charset()
356       if (locale != NULL && locale[0] != '\0')  in locale_charset()
360 	  const char *dot = strchr (locale, '.');  in locale_charset()
389   const char *locale = NULL;  in locale_charset()  local
396   locale = setlocale (LC_CTYPE, NULL);  in locale_charset()
398   if (locale == NULL || locale[0] == '\0')  in locale_charset()
400       locale = getenv ("LC_ALL");  in locale_charset()
401       if (locale == NULL || locale[0] == '\0')  in locale_charset()
403 	  locale = getenv ("LC_CTYPE");  in locale_charset()
404 	  if (locale == NULL || locale[0] == '\0')  in locale_charset()
405 	    locale = getenv ("LANG");  in locale_charset()
412   codeset = locale;  in locale_charset()
426   const char *locale;  in locale_charset()  local
433   locale = getenv ("LC_ALL");  in locale_charset()
434   if (locale == NULL || locale[0] == '\0')  in locale_charset()
436       locale = getenv ("LC_CTYPE");  in locale_charset()
437       if (locale == NULL || locale[0] == '\0')  in locale_charset()
438 	locale = getenv ("LANG");  in locale_charset()
440   if (locale != NULL && locale[0] != '\0')  in locale_charset()
443       const char *dot = strchr (locale, '.');  in locale_charset()
463       codeset = locale;  in locale_charset()