diff --git a/src/sys/ubixfsv2/fsAbstract.h b/src/sys/ubixfsv2/fsAbstract.h
index e4dbd1e..95d2274 100644
--- a/src/sys/ubixfsv2/fsAbstract.h
+++ b/src/sys/ubixfsv2/fsAbstract.h
@@ -1,25 +1,34 @@
 #ifndef FSABSTRACT_H
 #define FSABSTRACT_H
 
-class FSAbstract {
+class vfs_fsAbstract {
  protected:
   FSAbstract * prev;
   FSAbstract * next;
   void * dev;
  public: 
-  virtual bool close(void) = 0;
-  virtual bool init(void) = 0;
-  virtual bool format(void) = 0;
-  virtual bool mkdir(void) = 0;
-  virtual bool open(void) = 0;
-  virtual bool read(void) = 0;
-  virtual bool readDir(void) = 0;
-  virtual bool rename(void) = 0;
-  virtual bool stop(void) = 0;
-  virtual bool sync(void) = 0;
-  virtual bool unlink(void) = 0;
-  virtual bool verify(void) = 0;
-  virtual bool write(void) = 0;
+  /* File I/O */
+  virtual int  vfs_open(FILE *,int flags,...) = 0;
+  virtual int  vfs_close(FILE *) = 0;
+  virtual int  vfs_read(FILE *,void *,size_t,size_t) = 0;
+  virtual int  vfs_write(FILE *,void *,size_t,size_t) = 0;
+
+  /* Dir I/O */
+  virtual int  vfs_opendir(DIR *,const char *) = 0x0;
+  virtual int  vfs_closedir(DIR *) = 0x0;
+  virtual int  vfs_mkdir(const char *,mode_t) = 0;
+  virtual int  vfs_readdir(DIR *,struct dirent *) = 0;
+
+  /* FS Functions */
+  virtual int  vfs_init(void) = 0;
+  virtual int  vfs_format(dev_t *) = 0;
+  virtual int  vfs_stop(void) = 0;
+  virtual int  vfs_sync(void) = 0;
+
+  /* Misc Functions */
+  virtual int  vfs_unlink(const char *) = 0;
+  virtual int  vfs_rename(const char *,const char *) = 0;
+
   virtual     ~FSAbstract(void) { };
 }; // FSAbstract