diff -u probcons.orig/CompareToRef.cc probcons/CompareToRef.cc
--- probcons.orig/CompareToRef.cc	2008-04-08 16:38:46.000000000 -0700
+++ probcons/CompareToRef.cc	2008-04-08 16:39:41.000000000 -0700
@@ -16,6 +16,7 @@
 #include <limits>
 #include <cstdio>
 #include <cstdlib>
+#include <cstring>
 #include <cerrno>
 #include <iomanip>
 
diff -u probcons.orig/FixRef.cc probcons/FixRef.cc
--- probcons.orig/FixRef.cc	2008-04-08 16:38:46.000000000 -0700
+++ probcons/FixRef.cc	2008-04-08 16:39:33.000000000 -0700
@@ -17,6 +17,7 @@
 #include <algorithm>
 #include <cstdio>
 #include <cstdlib>
+#include <cstring>
 #include <cerrno>
 #include <iomanip>
 
diff -u probcons.orig/Main.cc probcons/Main.cc
--- probcons.orig/Main.cc	2008-04-08 16:38:46.000000000 -0700
+++ probcons/Main.cc	2008-04-08 16:39:14.000000000 -0700
@@ -21,6 +21,7 @@
 #include <climits>
 #include <cstdio>
 #include <cstdlib>
+#include <cstring>
 #include <cerrno>
 #include <iomanip>
 
diff -u probcons.orig/ProjectPairwise.cc probcons/ProjectPairwise.cc
--- probcons.orig/ProjectPairwise.cc	2008-04-08 16:38:46.000000000 -0700
+++ probcons/ProjectPairwise.cc	2008-04-08 16:39:25.000000000 -0700
@@ -16,6 +16,7 @@
 #include <limits>
 #include <cstdio>
 #include <cstdlib>
+#include <cstring>
 #include <cerrno>
 #include <iomanip>