grab some updates from glibc

include/dlfcn.h

@@ -1,5 +1,5 @@
 /* User functions for run-time dynamic loading.
-   Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1995-1999,2000,2001,2003,2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -49,18 +49,30 @@ extern void *dlopen (__const char *__file, int __mode) __THROW;
 
 /* Unmap and close a shared object opened by `dlopen'.
    The handle cannot be used again after calling `dlclose'.  */
-extern int dlclose (void *__handle) __THROW;
+extern int dlclose (void *__handle) __THROW __nonnull ((1));
 
 /* Find the run-time address in the shared object HANDLE refers to
    of the symbol called NAME.  */
 extern void *dlsym (void *__restrict __handle,
-		    __const char *__restrict __name) __THROW;
+		    __const char *__restrict __name) __THROW __nonnull ((2));
+
+#if 0
+#ifdef __USE_GNU
+/* Find the run-time address in the shared object HANDLE refers to
+   of the symbol called NAME with VERSION.  */
+extern void *dlvsym (void *__restrict __handle,
+		     __const char *__restrict __name,
+		     __const char *__restrict __version)
+     __THROW __nonnull ((2, 3));
+#endif
+#endif
 
 /* When any of the above functions fails, call this function
    to return a string describing the error.  Each call resets
    the error string so that a following call returns null.  */
 extern char *dlerror (void) __THROW;
 
+
 #ifdef __USE_GNU
 /* Structure containing information about object searched using
    `dladdr'.  */
@@ -74,7 +86,8 @@ typedef struct
 
 /* Fill in *INFO with the following information about ADDRESS.
    Returns 0 iff no shared object's segments contain that address.  */
-extern int dladdr (const void *__address, Dl_info *__info) __THROW;
+extern int dladdr (__const void *__address, Dl_info *__info)
+     __THROW __nonnull ((2));
 
 /* Get information about the shared objects currently loaded */
 extern int dlinfo (void);