for (_item = FIB_TYPE_SPEICAL_FIRST; \
_item <= FIB_SPEICAL_TYPE_LAST; _item++)
-extern u8 * format_fib_protocol(u8 * s, va_list ap);
-extern u8 * format_vnet_link(u8 *s, va_list ap);
+extern u8 * format_fib_protocol(u8 * s, va_list *ap);
+extern u8 * format_vnet_link(u8 *s, va_list *ap);
/**
* Path flags from the control plane