--- ../PriorityQueue.c.orig	2020-03-28 14:42:15.234189565 +0100
+++ ./lib/sfdpgen/PriorityQueue.c	2020-03-28 16:16:07.186610646 +0100
@@ -11,6 +11,8 @@
  * Contributors: See CVS logs. Details at http://www.graphviz.org/
  *************************************************************************/
 
+#include <malloc.h>
+
 #include "LinkedList.h"
 #include "PriorityQueue.h"
 #include "memory.h"
@@ -18,12 +20,6 @@
 #include "assert.h"
 #include "arith.h"
 
-#define MALLOC gmalloc
-#define REALLOC grealloc
-#define FREE free
-#define MEMCPY memcpy
-
-
 PriorityQueue PriorityQueue_new(int n, int ngain){
   PriorityQueue q;
   int i;
@@ -50,15 +46,15 @@
   if (q){
     if (q->buckets){
       for (i = 0; i < q->ngain+1; i++) DoubleLinkedList_delete((q->buckets)[i], free);
-      FREE(q->buckets);
+      free(q->buckets);
     }
 
     if (q->where){
-      FREE(q->where);
+      free(q->where);
     }
 
-    FREE(q->gain);
-    FREE(q);
+    free(q->gain);
+    free(q);
   }
 }