+/*
+ * Write bytes using a va_list argument.
+ *
+ * Arguments:
+ *
+ * ns_context - Network security context
+ * errstr - Error string
+ * format - Format string
+ * ap - stdarg list.
+ *
+ * Returns OK on success, NOTOK on error.
+ */
+
+int netsec_vprintf(netsec_context *ns_context, char **errstr,
+ const char *format, va_list ap);
+