cleanup of output of control characters

[unix-history] / usr / src / usr.bin / window / tt.h

diff --git a/usr/src/usr.bin/window/tt.h b/usr/src/usr.bin/window/tt.h
index 23f82c4..261c12f 100644 (file)
--- a/usr/src/usr.bin/window/tt.h
+++ b/usr/src/usr.bin/window/tt.h
@@ -14,7 +14,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *

- *     @(#)tt.h        3.23 (Berkeley) %G%
+ *     @(#)tt.h        3.24 (Berkeley) %G%

  */
 
 /*
  */
 
 /*


@@ -101,7 +101,7 @@ int tttputc();
 
 /*
  * Buffered output without stdio.
 
 /*
  * Buffered output without stdio.

- * These variables have different meanings from the ww_ob* variabels.
+ * These variables have different meanings from the ww_ob* variables.

  * But I'm too lazy to think up different names.
  */
 char tt_ob[512];
  * But I'm too lazy to think up different names.
  */
 char tt_ob[512];


@@ -109,3 +109,10 @@ char *tt_obp;
 char *tt_obe;
 #define ttputc(c)      (tt_obp < tt_obe ? (*tt_obp++ = (c)) \
                                : (ttflush(), *tt_obp++ = (c)))
 char *tt_obe;
 #define ttputc(c)      (tt_obp < tt_obe ? (*tt_obp++ = (c)) \
                                : (ttflush(), *tt_obp++ = (c)))

+
+/*
+ * Convenience macros for the drivers
+ * They require char.h
+ */
+#define ttctrl(c)      ttputc(ctrl(c))
+#define ttesc(c)       (ttctrl('['), ttputc(c))