--- a/src/data.c	2005-12-05 13:23:44.000000000 +0200
+++ b/src/data.c	2005-12-05 13:24:31.000000000 +0200
@@ -55,7 +55,9 @@
 #include <stats.h>
 #include <config.h>
 
-extern int errno, verbose, progress, bits;
+#include <errno.h>
+
+extern int verbose, progress, bits;
 extern tnode_t **treap;
 extern bnode_t *bintree;
 size_t size = 0;
--- a/src/stan.c	2005-12-05 13:23:49.000000000 +0200
+++ b/src/stan.c	2005-12-05 13:24:57.000000000 +0200
@@ -46,7 +46,9 @@
 #include <bits.h>
 #include <config.h>
 
-int errno, verbose = 0, progress = 0, bits = 0;
+#include <errno.h>
+
+int verbose = 0, progress = 0, bits = 0;
 
 void print_usage()
 {