(stream_get_fd)

(stream_get_fd2,stream_set_fd): Removed
(stream_get_transport2,stream_get_transport)
(stream_wait,stream_set_get_transport2)
(stream_set_wait): New functions

@@ -64,8 +64,12 @@ extern void stream_destroy    __P ((stream_t *, void *owner));
 extern int stream_open        __P ((stream_t));
 extern int stream_close       __P ((stream_t));
 extern int stream_is_seekable __P ((stream_t));
-extern int stream_get_fd      __P ((stream_t, int *));
-extern int stream_get_fd2     __P ((stream_t, int *, int *));
+extern int stream_get_transport2 __P ((stream_t stream,
+				       mu_transport_t *pt,
+				       mu_transport_t *pt2));
+extern int stream_get_transport __P ((stream_t stream,
+				      mu_transport_t *pt));
+
 extern int stream_read        __P ((stream_t, char *, size_t, off_t,
 				    size_t *));
 extern int stream_readline    __P ((stream_t, char *, size_t, off_t,
@@ -77,6 +81,9 @@ extern int stream_write       __P ((stream_t, const char *, size_t, off_t,
 extern int stream_setbufsiz   __P ((stream_t stream, size_t size));
 extern int stream_flush       __P ((stream_t));
 
+#define MU_STREAM_READY_RD 0x1
+#define MU_STREAM_READY_WR 0x2  
+extern int stream_wait        __P((stream_t stream, int *pflags, struct timeval *));
 
 /* Functions useful to implementors of new stream types. */
 
@@ -107,8 +114,9 @@ extern int stream_set_open     __P ((stream_t,
 extern int stream_set_close    __P ((stream_t,
       int (*_close) __PMT ((stream_t)), void *owner));
 
-extern int stream_set_fd       __P ((stream_t,
-      int (*_get_fd) __PMT ((stream_t, int *, int *)), void *owner));
+extern int stream_set_get_transport2  __P ((stream_t,
+      int (*_get_fd) __PMT ((stream_t, mu_transport_t *, mu_transport_t *)),
+      void *owner));
 
 extern int stream_set_read     __P ((stream_t,
       int (*_read) __PMT ((stream_t, char *, size_t, off_t, size_t *)),
@@ -134,6 +142,9 @@ extern int stream_set_flush    __P ((stream_t,
 extern int stream_set_strerror __P ((stream_t stream,
       int (*fp) (stream_t, char **), void *owner));
 
+extern int stream_set_wait __P ((stream_t stream,
+      int (*wait) (stream_t, int *, struct timeval *), void *owner));
+  
 extern int stream_sequential_read __P((stream_t stream,
       char *buf, size_t size, size_t *nbytes));
   

@@ -425,19 +425,19 @@ stream_write (stream_t os, const char *buf, size_t count,
 }
 
 int
-stream_get_fd (stream_t stream, int *pfd)
+stream_get_transport2 (stream_t stream,
+		       mu_transport_t *p1, mu_transport_t *p2)
 {
-  if (stream == NULL || stream->_get_fd == NULL)
+  if (stream == NULL || stream->_get_transport2 == NULL)
     return EINVAL;
-  return stream->_get_fd (stream, pfd, NULL);
+  return stream->_get_transport2 (stream, p1, p2);
 }
 
 int
-stream_get_fd2 (stream_t stream, int *pfd1, int *pfd2)
+stream_get_transport (stream_t stream,
+		      mu_transport_t *pt)
 {
-  if (stream == NULL || stream->_get_fd == NULL)
-    return EINVAL;
-  return stream->_get_fd (stream, pfd1, pfd2);
+  return stream_get_transport2 (stream, pt, NULL);
 }
 
 int
@@ -558,14 +558,15 @@ stream_set_close (stream_t stream, int (*_close) (stream_t), void *owner)
 }
 
 int
-stream_set_fd (stream_t stream, int (*_get_fd) (stream_t, int *, int *),
+stream_set_get_transport2 (stream_t stream,
+			   int (*_get_trans) (stream_t, mu_transport_t *, mu_transport_t *),
 			   void *owner)
 {
   if (stream == NULL)
     return EINVAL;
   if (owner == stream->owner)
     {
-      stream->_get_fd = _get_fd;
+      stream->_get_transport2 = _get_trans;
       return 0;
     }
   return EACCES;
@@ -673,6 +674,18 @@ stream_set_strerror (stream_t stream,
 }
 
 int
+stream_set_wait (stream_t stream,
+		 int (*wait) (stream_t, int *, struct timeval *), void *owner)
+{
+  if (stream == NULL)
+    return EINVAL;
+  if (stream->owner != owner)
+    return EACCES;
+  stream->_wait = wait;
+  return 0;
+}
+
+int
 stream_sequential_read (stream_t stream, char *buf, size_t size,
 			size_t *nbytes)
 {
@@ -757,6 +770,16 @@ stream_seek (stream_t stream, off_t off, int whence)
 }
 
 int
+stream_wait (stream_t stream, int *pflags, struct timeval *tvp)
+{
+  if (stream == NULL)
+    return EINVAL;
+  if (stream->_wait)
+    return stream->_wait (stream, pflags, tvp);
+  return ENOSYS;
+}
+
+int
 stream_strerror (stream_t stream, char **p)
 {
   if (stream == NULL)