-void cmd_info (void);
-void cmd_time (void);
-int is_public_client (char *where);
-void cmd_iden (char *argbuf);
-void cmd_mesg (char *mname);
-void cmd_emsg (char *mname);
-void cmd_term (char *cmdbuf);
-void cmd_more (void);
-void cmd_echo (char *etext);
-void cmd_ipgm (char *argbuf);
-void cmd_down (void);
-void cmd_scdn (char *argbuf);
-void cmd_extn (char *argbuf);
-void deallocate_user_data(struct CitContext *con);
-void *CtdlGetUserData(unsigned long requested_sym);
-void CtdlAllocUserData(unsigned long requested_sym, size_t num_bytes);
-void CtdlReallocUserData(unsigned long requested_sym, size_t num_bytes);
-int CtdlGetDynamicSymbol(void);