plan9port patch to support ctrl-c, ctrl-x and ctrl-z

ctrlc.diff

diff --git a/src/cmd/9term/wind.c b/src/cmd/9term/wind.c
index 28d45cb..5020903 100644
--- a/src/cmd/9term/wind.c
+++ b/src/cmd/9term/wind.c
@@ -684,17 +684,17 @@ wkeyctl(Window *w, Rune r)
 		waddraw(w, &r, 1);
 		return;
 	}
-	if(r == Kcmd+'x'){
+	if(r == 0x18){
 		wsnarf(w);
 		wcut(w);
 		wscrdraw(w);
 		return;
 	}
-	if(r == Kcmd+'c'){
+	if(r == 0x03){
 		wsnarf(w);
 		return;
 	}
-	if(r == Kcmd+'v'){
+	if(r == 0x16){
 		riogetsnarf();
 		wpaste(w);
 		wscrdraw(w);
diff --git a/src/cmd/acme/text.c b/src/cmd/acme/text.c
index 7634d92..fb040ba 100644
--- a/src/cmd/acme/text.c
+++ b/src/cmd/acme/text.c
@@ -749,11 +749,11 @@ texttype(Text *t, Rune r)
 			q0++;
 		textshow(t, q0, q0, TRUE);
 		return;
-	case Kcmd+'c':	/* %C: copy */
+	case 0x03:	/* ^C: copy */
 		typecommit(t);
 		cut(t, t, nil, TRUE, FALSE, nil, 0);
 		return;
-	case Kcmd+'z':	/* %Z: undo */
+	case 0x1a:	/* ^Z: undo */
 	 	typecommit(t);
 		undo(t, nil, nil, TRUE, 0, nil, 0);
 		return;
@@ -781,7 +781,7 @@ texttype(Text *t, Rune r)
 	}
 	/* cut/paste must be done after the seq++/filemark */
 	switch(r){
-	case Kcmd+'x':	/* %X: cut */
+	case 0x18:	/* ^X: cut */
 		typecommit(t);
 		if(t->what == Body){
 			seq++;
@@ -791,7 +791,7 @@ texttype(Text *t, Rune r)
 		textshow(t, t->q0, t->q0, 1);
 		t->iq1 = t->q0;
 		return;
-	case Kcmd+'v':	/* %V: paste */
+	case 0x16:	/* ^V: paste */
 		typecommit(t);
 		if(t->what == Body){
 			seq++;
diff --git a/src/cmd/samterm/main.c b/src/cmd/samterm/main.c
index 5b645e8..3960ef0 100644
--- a/src/cmd/samterm/main.c
+++ b/src/cmd/samterm/main.c
@@ -494,9 +494,10 @@ flushtyping(int clearesc)
 #define	PAGEUP	Kpgup
 #define	RIGHTARROW	Kright
 #define	SCROLLKEY	Kdown
-#define	CUT	(Kcmd+'x')
-#define	COPY	(Kcmd+'c')
-#define	PASTE	(Kcmd+'v')
+#define	CUT	0x18
+#define	COPY	0x03
+#define	PASTE	0x16
+#define	BACK	0x02 /* ctrl-b: from 9front sam */
 
 int
 nontypingkey(int c)
@@ -512,6 +513,10 @@ nontypingkey(int c)
 	case PAGEUP:
 	case RIGHTARROW:
 	case SCROLLKEY:
+	case CUT:
+	case COPY:
+	case PASTE:
+	case BACK:
 		return 1;
 	}
 	if(c >= Kcmd)
@@ -691,6 +696,16 @@ type(Flayer *l, int res)	/* what a bloody mess this is */
 			flushtyping(0);
 			paste(t, t->front);
 			break;
+		case BACK:
+			t = &cmd;
+			for(l=t->l; l->textfn==0; l++)
+				;
+			current(l);
+			flushtyping(0);
+			a = t->rasp.nrunes;
+			flsetselect(l, a, a);
+			center(l, a);
+			break;
 		}
 	}
 }