diff -Nur jneural-1.04p1-orig/apps/sin.cpp jneural-1.04p1/apps/sin.cpp
--- jneural-1.04p1-orig/apps/sin.cpp	Sat Dec 25 03:42:54 1999
+++ jneural-1.04p1/apps/sin.cpp	Wed Jun 20 11:14:21 2001
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 
 #include <nets/backprop.h>
 #include <utils/transfer.h>
diff -Nur jneural-1.04p1-orig/apps/xor.cpp jneural-1.04p1/apps/xor.cpp
--- jneural-1.04p1-orig/apps/xor.cpp	Sat Dec 25 03:42:50 1999
+++ jneural-1.04p1/apps/xor.cpp	Wed Jun 20 11:14:08 2001
@@ -2,6 +2,7 @@
 **  xor(x,y) backprop test program
 */
 #include <stdio.h>
+#include <stdlib.h>
 
 #include <nets/backprop.h>
 #include <utils/transfer.h>
diff -Nur jneural-1.04p1-orig/arch/neuron.cpp jneural-1.04p1/arch/neuron.cpp
--- jneural-1.04p1-orig/arch/neuron.cpp	Mon Oct 30 22:36:08 2000
+++ jneural-1.04p1/arch/neuron.cpp	Wed Jun 20 11:13:31 2001
@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <string.h>
 
 #include <arch/neuron.h>
diff -Nur jneural-1.04p1-orig/utils/transfer.cpp jneural-1.04p1/utils/transfer.cpp
--- jneural-1.04p1-orig/utils/transfer.cpp	Sun Dec 26 05:37:20 1999
+++ jneural-1.04p1/utils/transfer.cpp	Wed Jun 20 11:13:52 2001
@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <stdio.h>
 
 #include <arch/neuron.h>