diff --git a/scsh/scsh-interfaces.scm b/scsh/scsh-interfaces.scm
index 06bb5cc..bcacf53 100644
--- a/scsh/scsh-interfaces.scm
+++ b/scsh/scsh-interfaces.scm
@@ -732,22 +732,22 @@
           ;; Posix
           ttychar/eof
 	  ttychar/eol
-	  ttychar/erase
-	  ttychar/kill
-	  ttychar/intr
+	  ttychar/delete-char
+	  ttychar/delete-line
+	  ttychar/interrupt
 	  ttychar/quit
-	  ttychar/susp
+	  ttychar/suspend
 	  ttychar/start
 	  ttychar/stop
 	  ttychar/min
 	  ttychar/time
 	  
 	  ;; SVR4 & 4.3+BSD
-	  ttychar/word-erase
+	  ttychar/delete-word
 	  ttychar/reprint
-	  ttychar/lnext
+	  ttychar/literal-next
 	  ttychar/discard
-	  ttychar/dsusp
+	  ttychar/delayed-suspend
 	  ttychar/eol2
 
 	  ;; 4.3+BSD
@@ -763,7 +763,7 @@
 	  ttyin/ignore-bad-parity-chars
 	  ttyin/mark-parity-errors
 	  ttyin/check-parity
-	  ttyin/strip-bit-8
+	  ttyin/7bits
 	  ttyin/nl->cr
 	  ttyin/ignore-cr
 	  ttyin/cr->nl
@@ -826,7 +826,7 @@
 	  ttyout/bs-delay1		
 
 	  ;; Form-feed delay
-	  ttout/ff-delay		; mask (ffdly)	
+	  ttyout/ff-delay		; mask (ffdly)	
 	  ttyout/ff-delay0		
 	  ttyout/ff-delay1		
 
@@ -857,8 +857,8 @@
 	  ;; Local flag bits
 	  ;;;;;;;;;;;;;;;;;;
 	  ;; POSIX
-	  ttyl/visual-erase		; echoe: Visually erase chars
-	  ttyl/echo-line-kill		; echok: Echo nl after line kill
+	  ttyl/visual-delete		; echoe: Visually erase chars
+	  ttyl/echo-delete-line		; echok: Echo nl after line kill
 	  ttyl/echo			; echo:  Enable echoing
 	  ttyl/echo-nl			; echonl: Echo nl even if echo is off
 	  ttyl/canonical		; icanon: Canonicalize input
@@ -868,14 +868,14 @@
 	  ttyl/no-flush-on-interrupt	; noflsh
 
 	  ;; SVR4 & 4.3+BSD
-	  ttyl/visual-line-kill		; echoke: visually erase a line-kill 
-	  ttyl/hardcopy-erase		; echoprt: visual erase for hardcopy 
+	  ttyl/visual-delete-line	; echoke: visually erase a line-kill 
+	  ttyl/hardcopy-delete		; echoprt: visual erase for hardcopy 
 	  ttyl/echo-ctl			; echoctl: echo control chars as "^X" 
 	  ttyl/flush-output		; flusho: output is being flushed
 	  ttyl/reprint-unread-chars	; pendin: retype pending input
 
 	  ;; 4.3+BSD
-	  ttyl/alt-word-erase		; altwerase
+	  ttyl/alt-delete-word		; altwerase
 	  ttyl/no-kernel-status		; nokerninfo: no kernel status on ^T
 
 	  ;; SVR4
diff --git a/scsh/tty.c b/scsh/tty.c
new file mode 100644
index 0000000..324b4f9
--- /dev/null
+++ b/scsh/tty.c
@@ -0,0 +1,105 @@
+/* This is an Scheme48/C interface file, 
+** automatically generated by cig.
+*/
+
+#include <stdio.h>
+#include <stdlib.h> /* For malloc. */
+#include "libcig.h"
+
+#include <termios.h>
+
+extern int errno;
+
+#define errno_or_false(x) (((x) == -1) ? ENTER_FIXNUM(errno) : SCHFALSE)
+scheme_value df_scheme_tcgetattr(long nargs, scheme_value *args)
+{
+    extern int scheme_tcgetattr(int , const char *, int *, int *, int *, int *, int *, int *, int *, int *, int *, int *);
+    scheme_value ret1;
+    int r1;
+    int r2;
+    int r3;
+    int r4;
+    int r5;
+    int r6;
+    int r7;
+    int r8;
+    int r9;
+    int r10;
+    int r11;
+
+    cig_check_nargs(3, nargs, "scheme_tcgetattr");
+    r1 = scheme_tcgetattr(EXTRACT_FIXNUM(args[2]), cig_string_body(args[1]), &r2, &r3, &r4, &r5, &r6, &r7, &r8, &r9, &r10, &r11);
+    ret1 = errno_or_false(r1);
+    VECTOR_REF(*args,0) = ENTER_FIXNUM(r2);
+    VECTOR_REF(*args,1) = ENTER_FIXNUM(r3);
+    VECTOR_REF(*args,2) = ENTER_FIXNUM(r4);
+    VECTOR_REF(*args,3) = ENTER_FIXNUM(r5);
+    VECTOR_REF(*args,4) = ENTER_FIXNUM(r6);
+    VECTOR_REF(*args,5) = ENTER_FIXNUM(r7);
+    VECTOR_REF(*args,6) = ENTER_FIXNUM(r8);
+    VECTOR_REF(*args,7) = ENTER_FIXNUM(r9);
+    VECTOR_REF(*args,8) = ENTER_FIXNUM(r10);
+    VECTOR_REF(*args,9) = ENTER_FIXNUM(r11);
+    return ret1;
+    }
+
+scheme_value df_scheme_tcsetattr(long nargs, scheme_value *args)
+{
+    extern int scheme_tcsetattr(int , int , const char *, int , int , int , int , int , int , int , int , int , int , int , int );
+    scheme_value ret1;
+    int r1;
+
+    cig_check_nargs(15, nargs, "scheme_tcsetattr");
+    r1 = scheme_tcsetattr(EXTRACT_FIXNUM(args[14]), EXTRACT_FIXNUM(args[13]), cig_string_body(args[12]), EXTRACT_FIXNUM(args[11]), EXTRACT_FIXNUM(args[10]), EXTRACT_FIXNUM(args[9]), EXTRACT_FIXNUM(args[8]), EXTRACT_FIXNUM(args[7]), EXTRACT_FIXNUM(args[6]), EXTRACT_FIXNUM(args[5]), EXTRACT_FIXNUM(args[4]), EXTRACT_FIXNUM(args[3]), EXTRACT_FIXNUM(args[2]), EXTRACT_FIXNUM(args[1]), EXTRACT_FIXNUM(args[0]));
+    ret1 = errno_or_false(r1);
+    return ret1;
+    }
+
+scheme_value df_tcsendbreak(long nargs, scheme_value *args)
+{
+    extern int tcsendbreak(int , int );
+    scheme_value ret1;
+    int r1;
+
+    cig_check_nargs(2, nargs, "tcsendbreak");
+    r1 = tcsendbreak(EXTRACT_FIXNUM(args[1]), EXTRACT_FIXNUM(args[0]));
+    ret1 = errno_or_false(r1);
+    return ret1;
+    }
+
+scheme_value df_tcdrain(long nargs, scheme_value *args)
+{
+    extern int tcdrain(int );
+    scheme_value ret1;
+    int r1;
+
+    cig_check_nargs(1, nargs, "tcdrain");
+    r1 = tcdrain(EXTRACT_FIXNUM(args[0]));
+    ret1 = errno_or_false(r1);
+    return ret1;
+    }
+
+scheme_value df_tcflush(long nargs, scheme_value *args)
+{
+    extern int tcflush(int , int );
+    scheme_value ret1;
+    int r1;
+
+    cig_check_nargs(2, nargs, "tcflush");
+    r1 = tcflush(EXTRACT_FIXNUM(args[1]), EXTRACT_FIXNUM(args[0]));
+    ret1 = errno_or_false(r1);
+    return ret1;
+    }
+
+scheme_value df_tcflow(long nargs, scheme_value *args)
+{
+    extern int tcflow(int , int );
+    scheme_value ret1;
+    int r1;
+
+    cig_check_nargs(2, nargs, "tcflow");
+    r1 = tcflow(EXTRACT_FIXNUM(args[1]), EXTRACT_FIXNUM(args[0]));
+    ret1 = errno_or_false(r1);
+    return ret1;
+    }
+