document some undocumented hbytes ops

[chiark-tcl.git] / base / chiark-tcl.h

diff --git a/base/chiark-tcl.h b/base/chiark-tcl.h
index afdae9a37e25c863b43c04a9371bb0919e5c0577..10141825f3f3d1f35fd052014e8e7436edba378c 100644 (file)
--- a/base/chiark-tcl.h
+++ b/base/chiark-tcl.h
@@ -17,6 +17,9 @@
  *  hbytes overwrite VAR START VALUE
  *  hbytes trimleft VAR                         removes any leading 0 octets
  *  hbytes repeat VALUE COUNT                    => COUNT copies of VALUE
+ *  hbytes zeroes COUNT                          => COUNT zero bytes
+ *  hbytes random COUNT                          => COUNT random bytes
+ *  hbytes xor VAR VALUE                         $VAR (+)= VALUE
  *
  *  hbytes ushort2h LONG           => LONG must be <2^16, returns as hex
  *  hbytes h2ushort HEX            => |HEX| must be 2 bytes, returns as ulong