buf: new bufp function.

* buf.c (bufp): New function.
(buf_init): Registered bufp intrisic.

* buf.h (bufp): Declared.

* txr.1: Documented.

1 files changed, 1 insertions, 0 deletions

diff --git a/buf.h b/buf.h
index 8102fff8..f3ab4a7b 100644
--- a/buf.h
+++ b/buf.h
@@ -26,6 +26,7 @@
  */
 
 val make_buf(val len, val init_val, val alloc_size);
+val bufp(val object);
 val make_borrowed_buf(val len, mem_t *data);
 val make_duplicate_buf(val len, mem_t *data);
 val buf_trim(val buf);