extern int uam_checkuser (const struct passwd *);
/* afp helper functions */
-extern int uam_afp_read (void *, char *, int *,
+extern int uam_afp_read (void *, char *, size_t *,
int (*)(void *, void *, const int));
-extern int uam_afpserver_option (void *, const int, void *, int *);
+extern int uam_afpserver_option (void *, const int, void *, size_t *);
#ifdef TRU64
extern void uam_afp_getcmdline (int *, char ***);
extern int uam_sia_validate_user (sia_collect_func_t *, int, char **,