libxl.h: document libxl_<type>_to_json

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index 896ecabdf31c0794ed636a1d0a51b38b6962d260..80947c3af53694826e848fb12eb8b0b30eec0c98 100644 (file)
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -291,6 +291,11 @@
  *    Frees any dynamically allocated memory used by the members of
  *    "p" but not the storage used by "p" itself (this allows for the
  *    allocation of arrays of types and for the composition of types).
+ *
+ * char *libxl_<type>_to_json(instance *p)
+ *
+ *    Generates a JSON object from "p" in the form of a NULL terminated
+ *    string.
  */
 #ifndef LIBXL_H
 #define LIBXL_H