rc.xml: move nodename() to nodename.c

include/common/nodename.h

@@ -0,0 +1,19 @@
+#ifndef __LABWC_NODENAME_H
+#define __LABWC_NODENAME_H
+
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <stdio.h>
+
+/**
+ * nodename - give xml node an ascii name
+ * @node: xml-node
+ * @buf: buffer to receive the name
+ * @len: size of buffer
+ *
+ * For example, the xml structure <a><b><c></c></b></a> would return the
+ * name c.b.a
+ */
+char *nodename(xmlNode *node, char *buf, int len);
+
+#endif /* __LABWC_NODENAME_H */