@@ -43,36 +43,20 @@
  *	     It is not closed when the OFFile object is deallocated!
  * \return A new autoreleased OFFile
  */
 + fileWithFilePointer: (FILE*)fp;
 
-/**
- * \return An OFFile singleton for stdin
- */
-+ standardInput;
-
-/**
- * \return An OFFile singleton for stdout
- */
-+ standardOutput;
-
-/**
- * \return An OFFile singleton for stderr
- */
-+ standardError;
-
 /**
  * Changes the mode of a file.
  *
  * Not available on Windows.
  *
  * \param path The path to the file of which the mode should be changed as a
  *	       string
  * \param mode The new mode for the file
- * \return A boolean whether the operation succeeded
  */
-+ (BOOL)changeModeOfFile: (OFString*)path
++ (void)changeModeOfFile: (OFString*)path
 		  toMode: (mode_t)mode;
 
 /**
  * Changes the owner of a file.
  *
@@ -80,21 +64,28 @@
  *
  * \param path The path to the file of which the owner should be changed as a
  *	       string
  * \param owner The new owner for the file
  * \param group The new group for the file
- * \return A boolean whether the operation succeeded
  */
-+ (BOOL)changeOwnerOfFile: (OFString*)path
-		    owner: (uid_t)owner
++ (void)changeOwnerOfFile: (OFString*)path
+		  toOwner: (uid_t)owner
 		    group: (gid_t)group;
 
+/**
+ * Renames a file.
+ *
+ * \param from The file to rename
+ * \param to The new name
+ */
++ (void)rename: (OFString*)from
+	    to: (OFString*)to;
+
 /**
  * Deletes a file.
  *
  * \param path The path to the file of which should be deleted as a string
- * \return A boolean whether the operation succeeded
  */
 + (void)delete: (OFString*)path;
 
 /**
  * Hardlinks a file.
@@ -101,11 +92,10 @@
  *
  * Not available on Windows.
  *
  * \param src The path to the file of which should be linked as a string
  * \param dest The path to where the file should be linked as a string
- * \return A boolean whether the operation succeeded
  */
 + (void)link: (OFString*)src
 	  to: (OFString*)dest;
 
 /**
@@ -113,11 +103,10 @@
  *
  * Not available on Windows.
  *
  * \param src The path to the file of which should be symlinked as a string
  * \param dest The path to where the file should be symlinked as a string
- * \return A boolean whether the operation succeeded
  */
 + (void)symlink: (OFString*)src
 	     to: (OFString*)dest;
 
 /**
@@ -165,5 +154,12 @@
 	   fromBuffer: (const char*)buf;
 @end
 
 @interface OFFileSingleton: OFFile
 @end
+
+/// An OFFile object for stdin.
+extern OFFile *of_stdin;
+/// An OFFile object for stdout.
+extern OFFile *of_stdout;
+/// An OFFile object for stderr.
+extern OFFile *of_stderr;