Functions Functions that are modified to use ICU locales: *str_word_count()* *strtoupper()* and *strtolower()* Functions that do not use locale information: *ucfirst()* and *ucwords()* *strnatcasecmp()*, *strnatcmp()* and *stristr()* *strcmp()* and *strncmp()* Additional functions: *i18n_loc_set_default()* *strtotitle()* (name not known yet) *i18n_format_number()* and *i18n_parse_number()*