doc: forgotten cptr functions.

* txr.1: Document cptrp and cptr-type.

1 files changed, 29 insertions, 0 deletions

diff --git a/txr.1 b/txr.1
index c8875c42..ddaac786 100644
--- a/txr.1
+++ b/txr.1
@@ -59820,6 +59820,35 @@ family of memory allocation functions, or has already been freed, or
 copies of the pointer exist which are still in use, the consequences are
 likely catastrophic.
 
+.coNP Function @ cptrp
+.synb
+.mets (cptrp << value )
+.syne
+.desc
+The
+.code cptrp
+function tests whether
+.meta value
+is a
+.codn cptr .
+It returns
+.code t
+if this is the
+case,
+.code nil
+otherwise.
+
+.coNP Function @ cptr-type
+.synb
+.mets (cptr-type << cptr )
+.syne
+.desc
+The
+.code cptr-type
+function retrieves the
+.meta cptr
+object's type tag.
+
 .coNP Variable @ cptr-null
 .desc
 The