don't use a sgttyb struct

diff --git a/lang/cem/libcc/gen/isatty.c b/lang/cem/libcc/gen/isatty.c
index 5152801..4fa9cad 100644 (file)
--- a/lang/cem/libcc/gen/isatty.c
+++ b/lang/cem/libcc/gen/isatty.c
@@ -1,8 +1,10 @@
-#include <sgtty.h>
-
 isatty(f)
 {
-       struct sgttyb ttyb;
+       char buf[128];
+       /* not a sgttyb struct; it might not be large enough;
+          I know for a fact that it is'nt large enough on PC/IX,
+          where gtty is an ioctl(..., TCGETA, ...)
+       */
 
        if (gtty(f, &ttyb) < 0) return 0;
        return 1;