New convenience I/O functions for buffers.

* lisplib.c (getput_set_entries): New autoload entries for
file-get-buf, file-put-buf, file-append-buf, command-get-buf
and command-put-buf.

* share/txr/stdlib/getput.tl (sys:get-buf-common): New
function.
(file-get-buf, file-put-buf, file-append-buf, command-get-buf,
command-put-buf): New functions.

* txr.1: Documented.

1 files changed, 2 insertions, 0 deletions

diff --git a/lisplib.c b/lisplib.c
index 1782e671..3e437542 100644
--- a/lisplib.c
+++ b/lisplib.c
@@ -440,9 +440,11 @@ static val getput_set_entries(val dlt, val fun)
     lit("file-get"), lit("file-put"), lit("file-append"),
     lit("file-get-string"), lit("file-put-string"), lit("file-append-string"),
     lit("file-get-lines"), lit("file-put-lines"), lit("file-append-lines"),
+    lit("file-get-buf"), lit("file-put-buf"), lit("file-append-buf"),
     lit("command-get"), lit("command-put"),
     lit("command-get-string"), lit("command-put-string"),
     lit("command-get-lines"), lit("command-put-lines"),
+    lit("command-get-buf"), lit("command-put-buf"),
     nil
   };
   set_dlt_entries(dlt, name, fun);