/* Bidirectional byte streams. */
int stream_verify_name(const char *name);
int stream_open(const char *name, struct stream **);
-int stream_open_block(const char *name, struct stream **);
+int stream_open_block(int error, struct stream **);
void stream_close(struct stream *);
const char *stream_get_name(const struct stream *);
uint32_t stream_get_remote_ip(const struct stream *);