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-rw-r--r--include/xen/xenbus.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
index 32b944b7cebd..271ba62503c7 100644
--- a/include/xen/xenbus.h
+++ b/include/xen/xenbus.h
@@ -151,6 +151,10 @@ __scanf(4, 5)
int xenbus_scanf(struct xenbus_transaction t,
const char *dir, const char *node, const char *fmt, ...);
+/* Read an (optional) unsigned value. */
+unsigned int xenbus_read_unsigned(const char *dir, const char *node,
+ unsigned int default_val);
+
/* Single printf and write: returns -errno or 0. */
__printf(4, 5)
int xenbus_printf(struct xenbus_transaction t,