void make_vector(libtest::vchar_t& arg, const char *str, size_t length);
+namespace vchar {
+
+int compare(libtest::vchar_t& arg, const char *str, size_t length);
+void make(libtest::vchar_t& arg);
+void make(libtest::vchar_t& arg, size_t length);
+
+} // namespace vchar
+
+#define vchar_param(__arg) (&__arg[0]), (__arg.size())
+
std::ostream& operator<<(std::ostream& output, const libtest::vchar_t& arg);
} // namespace libtest