--- a/include/BTree.h
+++ b/include/BTree.h
@@ -24,6 +24,7 @@
 #define BTree_included
 
 #include "Boolean.h"
+#include <cstdlib>
 
 //  This is an in-core B-Tree implementation.
 //
--- a/lib/Client.c++
+++ b/lib/Client.c++
@@ -34,7 +34,7 @@
 #include <syslog.h>
 #include <errno.h>
 
-#include <iostream.h>
+#include <iostream>
 
 #include "fam.h"
 #include "Client.h"
--- a/src/DNotify.c++
+++ b/src/DNotify.c++
@@ -31,6 +31,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <libgen.h>
+#include <cstdlib>
 
 #include "DNotify.h"
 
--- a/src/IMon.c++
+++ b/src/IMon.c++
@@ -40,7 +40,7 @@
 #include "Interest.h"
 #include "Log.h"
 #include "Scheduler.h"
-#include "alloc.h"
+#include <memory>
 
 int		   IMon::imonfd = -2;
 IMon::EventHandler IMon::ehandler = NULL;
--- a/src/Interest.h
+++ b/src/Interest.h
@@ -29,6 +29,7 @@
 #include <netinet/in.h>  //  for in_addr
 
 #include "Boolean.h"
+#include <cstdlib>
 
 class Event;
 class FileSystem;