diff -r 5ec9abba1027 -r 3a1d5a52adfc src/server/public/nsapi.h
--- a/src/server/public/nsapi.h	Fri Mar 01 22:44:54 2013 +0100
+++ b/src/server/public/nsapi.h	Sat Mar 16 23:11:34 2013 +0100
@@ -386,12 +386,17 @@
 /* NOTE: both SYS_FILE and SYS_NETFD are actually NSPR PRFileDesc * and can */
 /*       be used with NSPR API calls (after casting them to PRFileDesc *) */
 
+// NOTE: no they are not NSPR PRFileDesc*
+//          they are VFSFile*
+// TODO: fix NOTE
+
+
 #ifndef SYS_FILE_T
-typedef void *SYS_FILE;
+typedef struct VFSFile *SYS_FILE;
 #define SYS_FILE_T void *
 #endif /* !SYS_FILE_T */
 
-#define SYS_ERROR_FD ((SYS_FILE)-1)
+#define SYS_ERROR_FD ((SYS_FILE)-1) // TODO: fix
 
 #ifndef SYS_NETFD_T
 typedef void *SYS_NETFD;
@@ -641,6 +646,8 @@
 
 typedef struct PListStruct_s PListStruct_s;
 typedef struct ACLListHandle ACLListHandle;
+typedef struct VFS           VFS;
+typedef struct VFSContext    VFSContext;
 
 #ifndef PR_AF_INET
 typedef union PRNetAddr PRNetAddr;
@@ -992,6 +999,8 @@
     /* 3.0 ACL list pointer */
     ACLListHandle *acllist;
     uint32_t aclreqaccess; /* new - required access rights */
+    
+    VFS *vfs; /* new - virtual file system */
 
     int request_is_cacheable;   /* */
     int directive_is_cacheable; /* set by SAFs with no external side effects that make decisions based solely on URI and path */