+#include "server.h"
+#include "ctdl_module.h"
+
+recptypes *validate_recipients(const char *recipients, const char *RemoteIdentifier, int Flags);
+void free_recipients(recptypes *);
+void process_rfc822_addr(const char *rfc822, char *user, char *node, char *name);
+char *rfc822_fetch_field(const char *rfc822, const char *fieldname);
+void sanitize_truncated_recipient(char *str);
+char *qp_encode_email_addrs(char *source);
+int alias (char *name);
+int IsDirectory(char *addr, int allow_masq_domains);
+void CtdlRebuildDirectoryIndex(void);
+int CtdlDirectoryAddUser(char *internet_addr, char *citadel_addr);
+int CtdlDirectoryDelUser(char *internet_addr, char *citadel_addr);
+int CtdlDirectoryLookup(char *target, char *internet_addr, size_t targbuflen);
+void CtdlSetEmailAddressesForUser(char *requested_user, char *new_emailaddrs);
+void AutoGenerateEmailAddressForUser(struct ctdluser *user);