extern ssize_t adf_pread(struct ad_fd *, void *, size_t, off_t);
extern ssize_t adf_pwrite(struct ad_fd *, const void *, size_t, off_t);
extern int ad_dtruncate(struct adouble *, off_t);
-extern int ad_rtruncate(struct adouble *, off_t);
+extern int ad_rtruncate(struct adouble *, const char *, off_t);
extern int copy_fork(int eid, struct adouble *add, struct adouble *ads);
/* ad_size.c */