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-rw-r--r--devio/open.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/devio/open.h b/devio/open.h
index c202d9ed..80763585 100644
--- a/devio/open.h
+++ b/devio/open.h
@@ -64,4 +64,10 @@ error_t open_write(struct open *open, vm_address_t buf, vm_size_t len,
error_t open_read(struct open *open, vm_address_t *buf, vm_size_t *buf_len,
vm_size_t amount, off_t offs);
+/* Set OPEN's location to OFFS, interpreted according to WHENCE as by seek.
+ The new absolute location is returned in NEW_OFFS (and may not be the same
+ as OFFS). If no error occurs, zero is returned, otherwise the error code
+ is returned. */
+error_t open_seek (struct open *open, off_t offs, int whence, off_t *new_offs);
+
#endif /* !__OPEN_H__ */