diff -urN libcapsinetwork-0.3.0.old/src/listener.cpp libcapsinetwork-0.3.0/src/listener.cpp
--- libcapsinetwork-0.3.0.old/src/listener.cpp	2004-07-15 05:39:28.000000000 -0400
+++ libcapsinetwork-0.3.0/src/listener.cpp	2007-06-05 11:23:40.000000000 -0400
@@ -31,6 +31,7 @@
 
 #include <netdb.h>
 #include <unistd.h>
+#include <stdlib.h>
 
 #include "listener.h"
 #include "listenport.h"
diff -urN libcapsinetwork-0.3.0.old/src/server.cpp libcapsinetwork-0.3.0/src/server.cpp
--- libcapsinetwork-0.3.0.old/src/server.cpp	2004-07-15 05:39:28.000000000 -0400
+++ libcapsinetwork-0.3.0/src/server.cpp	2007-06-05 11:24:10.000000000 -0400
@@ -26,6 +26,7 @@
 
 #include <string>
 #include <stdio.h>
+#include <stdlib.h>
 
 // In real applications, use the following include instead of the local.
 // #include <libcapsinetwork/socket.h>