// --- Helpers --
extern void CompileRegex(regex_t *Regex, const char *Pattern, int Flags);
extern int RunRegex(regex_t *regex, const char *string, int nMatches, regmatch_t *matches, const char *errorMessage);
+extern void InitSerial(int FD, int BaudRate);
// --- Dispense ---
extern int DispenseItem(int User, tItem *Item);