maybe we can read eges ?

edges.c

@@ -1,5 +1,6 @@
 /*
  *		edges.c
+ *	a part of libbubulle from tTh
  */
 
 #include   <stdio.h>
@@ -150,10 +151,15 @@ int  print_the_edges(EdgeList *list, int k)
 {
 int		foo;
 
+fprintf(stderr, ">>> %s ( %p %d )\n", __func__, list, k);
+
 if (k) {
 	fprintf(stderr, "In %s, k must be 0, was %d\n", __func__, k);
 	return k;
 	}
+
+fprintf(stderr, "    list.fidx = %d\n", list->fidx);
+
 for (foo=0; foo<list->fidx; foo++) {
 	printf("%d\t\t%5d %5d\n", foo, list->edges[foo].A, list->edges[foo].B);
 	}