diff 79dbce6b393f547711bd0fed16a97c08087c4446 uncommitted
--- a/sys/include/ape/dirent.h
+++ b/sys/include/ape/dirent.h
@@ -38,6 +38,8 @@
 struct dirent	*readdir(DIR *);
 void		rewinddir(DIR *);
 int		closedir(DIR *);
+long		telldir(DIR *);
+void		seekdir(DIR *, long);
 
 #ifdef __cplusplus
 }
--- a/sys/src/ape/lib/ap/plan9/opendir.c
+++ b/sys/src/ape/lib/ap/plan9/opendir.c
@@ -123,3 +123,15 @@
 	d->dd_loc += sizeof(struct dirent);
 	return dr;
 }
+
+long
+telldir(DIR *d)
+{
+	return d->dd_loc;
+}
+
+void
+seekdir(DIR *d, long loc)
+{
+	d->dd_loc = loc;
+}