-uerr_t ftp_type PARAMS ((struct rbuf *, int));
-uerr_t ftp_cwd PARAMS ((struct rbuf *, const char *));
-uerr_t ftp_retr PARAMS ((struct rbuf *, const char *));
-uerr_t ftp_rest PARAMS ((struct rbuf *, long));
-uerr_t ftp_list PARAMS ((struct rbuf *, const char *));
-uerr_t ftp_syst PARAMS ((struct rbuf *, enum stype *));
-uerr_t ftp_pwd PARAMS ((struct rbuf *, char **));
-uerr_t ftp_size PARAMS ((struct rbuf *, const char *, long int *));
+uerr_t ftp_type PARAMS ((int, int));
+uerr_t ftp_cwd PARAMS ((int, const char *));
+uerr_t ftp_retr PARAMS ((int, const char *));
+uerr_t ftp_rest PARAMS ((int, long));
+uerr_t ftp_list PARAMS ((int, const char *));
+uerr_t ftp_syst PARAMS ((int, enum stype *));
+uerr_t ftp_pwd PARAMS ((int, char **));
+uerr_t ftp_size PARAMS ((int, const char *, long int *));