cgraph doxygen title comments

diff --git a/lib/cgraph/cgraph.h b/lib/cgraph/cgraph.h
index cbec3bbe6074ba68962c615da481c5a40c78edf8..383bf47b5a2e7317c7c43dae7580e5b85a84cfb4 100644 (file)
--- a/lib/cgraph/cgraph.h
+++ b/lib/cgraph/cgraph.h
@@ -1,3 +1,11 @@
+/**
+ * @file
+ * @brief abstract graph C library
+ *
+ * [man 3 cgraph](https://graphviz.org/pdf/cgraph.3.pdf)
+ *
+ */
+
 /*************************************************************************
  * Copyright (c) 2011 AT&T Intellectual Property
  * All rights reserved. This program and the accompanying materials

diff --git a/lib/cgraph/graph.c b/lib/cgraph/graph.c
index adc7b0d882b4645b36a1ce23f49a95ca00613e13..7bf6d8e617c5e7c10d04fd69f16b60df680fcd06 100644 (file)
--- a/lib/cgraph/graph.c
+++ b/lib/cgraph/graph.c
@@ -259,3 +259,10 @@ Agdesc_t Agundirected = { .maingraph = 1 };
 Agdesc_t Agstrictundirected = { .strict = 1, .maingraph = 1 };
 
 Agdisc_t AgDefaultDisc = { &AgMemDisc, &AgIdDisc, &AgIoDisc };
+
+/**
+ * @dir lib/cgraph
+ * @brief abstract graph C library, API cgraph.h
+ *
+ * [man 3 cgraph](https://graphviz.org/pdf/cgraph.3.pdf)
+ */