-extern int afp_login (AFPObj *, char *, int, char *, int *);
-extern int afp_login_ext (AFPObj *, char *, unsigned int, char *, unsigned int *);
-extern int afp_logincont (AFPObj *, char *, int, char *, int *);
-extern int afp_changepw (AFPObj *, char *, int, char *, int *);
-extern int afp_logout (AFPObj *, char *, int, char *, int *);
-extern int afp_getuserinfo (AFPObj *, char *, int, char *, int *);
-extern int afp_getsession (AFPObj *, char *, unsigned int, char *, unsigned int *);
-extern int afp_disconnect (AFPObj *, char *, int, char *, int *);
-extern int afp_zzz (AFPObj *, char *, unsigned int, char *, unsigned int *);
+int afp_login (AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen);
+int afp_login_ext (AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen);
+int afp_logincont (AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen);
+int afp_changepw (AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen);
+int afp_logout (AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen);
+int afp_getuserinfo (AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen);
+int afp_getsession (AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen);
+int afp_disconnect (AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen);
+int afp_zzz (AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen);