line_node2        441 dxref.c        	xmlNodePtr line_node, line_node2;
line_node2        468 dxref.c        	line_node2 = search_sibling (line_node, "include_directories");
line_node2        469 dxref.c        	if (line_node2 == NULL) { /* no directory info. */
line_node2        472 dxref.c        	    line_node = line_node2;