1 files changed, 10 insertions, 10 deletions
diff --git a/includes/Output.h b/includes/Output.h
index bce4160..3ec5158 100644
--- a/includes/Output.h
+++ b/includes/Output.h
@@ -12,11 +12,11 @@ class Output : public Handle {
       Output(String = "", int create = 1, int trunc = 1) throw (GeneralException);
       Output(const Output &);
       virtual ~Output() {}
-    virtual bool CanWrite();
-    virtual bool CanRead();
-    virtual bool CanSeek();
+    virtual bool CanWrite() const;
+    virtual bool CanRead() const;
+    virtual bool CanSeek() const;
     virtual off_t seek(off_t, int) throw (GeneralException);
-    virtual String GetName();
+    virtual String GetName() const;
 
   protected:
     String n;
@@ -28,18 +28,18 @@ class Stdout_t : public Output {
   public:
       Stdout_t();
       virtual ~Stdout_t() {}
-    virtual bool CanSeek();
-    virtual String GetName();
+    virtual bool CanSeek() const;
+    virtual String GetName() const;
 };
 
 class Stderr_t : public Handle {
   public:
       Stderr_t();
       virtual ~Stderr_t() {}
-    virtual bool CanWrite();
-    virtual bool CanRead();
-    virtual bool CanSeek();
-    virtual String GetName();
+    virtual bool CanWrite() const;
+    virtual bool CanRead() const;
+    virtual bool CanSeek() const;
+    virtual String GetName() const;
 };
 
 extern Stdout_t Stdout;