diff --git a/src/vio/csync_vio.h b/src/vio/csync_vio.h
index 715ed626e..9c4ef2fc7 100644
--- a/src/vio/csync_vio.h
+++ b/src/vio/csync_vio.h
@@ -30,6 +30,10 @@
 #include "vio/csync_vio_handle.h"
 #include "vio/csync_vio_file_stat.h"
 
+typedef struct fhandle_s {
+  int fd;
+} fhandle_t;
+
 int csync_vio_init(CSYNC *ctx, const char *module, const char *args);
 void csync_vio_shutdown(CSYNC *ctx);
 
@@ -38,6 +42,7 @@ csync_vio_handle_t *csync_vio_creat(CSYNC *ctx, const char *uri, mode_t mode);
 int csync_vio_close(CSYNC *ctx, csync_vio_handle_t *handle);
 ssize_t csync_vio_read(CSYNC *ctx, csync_vio_handle_t *fhandle, void *buf, size_t count);
 ssize_t csync_vio_write(CSYNC *ctx, csync_vio_handle_t *fhandle, const void *buf, size_t count);
+int csync_vio_sendfile(CSYNC *ctx,  csync_vio_handle_t *sfp, csync_vio_handle_t *dst);
 off_t csync_vio_lseek(CSYNC *ctx, csync_vio_handle_t *fhandle, off_t offset, int whence);
 
 csync_vio_handle_t *csync_vio_opendir(CSYNC *ctx, const char *name);
diff --git a/src/vio/csync_vio_local.c b/src/vio/csync_vio_local.c
index 82e44556e..e9773704d 100644
--- a/src/vio/csync_vio_local.c
+++ b/src/vio/csync_vio_local.c
@@ -37,12 +37,10 @@
 #include "c_string.h"
 #include "csync_util.h"
 #include "csync_log.h"
+#include "csync_vio.h"
 
 #include "vio/csync_vio_local.h"
 
-typedef struct fhandle_s {
-  int fd;
-} fhandle_t;
 
 
 /* the url comes in as utf-8 and in windows, it needs to be multibyte. */