category_to_name  843 gnulib-tests/setlocale.c             gl_locale_name_environ (LC_CTYPE, category_to_name (LC_CTYPE));
category_to_name  863 gnulib-tests/setlocale.c               name = gl_locale_name_environ (cat, category_to_name (cat));
category_to_name  891 gnulib-tests/setlocale.c             gl_locale_name_environ (category, category_to_name (category));