void replace_one_substr(void** state);
void replace_one_substr_beginning(void** state);
void replace_one_substr_end(void** state);
void replace_two_substr(void** state);
void replace_char(void** state);
void replace_when_none(void** state);
void replace_when_match(void** state);
void replace_when_string_empty(void** state);
void replace_when_string_null(void** state);
void replace_when_sub_empty(void** state);
void replace_when_sub_null(void** state);
void replace_when_new_empty(void** state);
void replace_when_new_null(void** state);
void test_online_is_valid_resource_presence_string(void** state);
void test_chat_is_valid_resource_presence_string(void** state);
void test_away_is_valid_resource_presence_string(void** state);
void test_xa_is_valid_resource_presence_string(void** state);
void test_dnd_is_valid_resource_presence_string(void** state);
void test_available_is_not_valid_resource_presence_string(void** state);
void test_unavailable_is_not_valid_resource_presence_string(void** state);
void test_blah_is_not_valid_resource_presence_string(void** state);
void utf8_display_len_null_str(void** state);
void utf8_display_len_1_non_wide(void** state);
void utf8_display_len_1_wide(void** state);
void utf8_display_len_non_wide(void** state);
void utf8_display_len_wide(void** state);
void utf8_display_len_all_wide(void** state);
void strip_quotes_does_nothing_when_no_quoted(void** state);
void strip_quotes_strips_first(void** state);
void strip_quotes_strips_last(void** state);
void strip_quotes_strips_both(void** state);
void prof_partial_occurrences_tests(void** state);
void prof_whole_occurrences_tests(void** state);
void unique_filename_from_url_td(void** state);
void format_call_external_argv_td(void** state);