Use gcc -ansi -pedantic in 9c. Fix many non-C89-isms.

7 files changed, 13 insertions, 11 deletions

diff --git a/src/cmd/troff/hytab.c b/src/cmd/troff/hytab.c
index 623637fc..c2b06624 100644
--- a/src/cmd/troff/hytab.c
+++ b/src/cmd/troff/hytab.c
@@ -35,7 +35,7 @@ Uchar	hxx[26][13] = {
 	0140,0000,0020,0001,0020,0000,0000,0100,0001,0000,0300,0000,0000,
 	0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,
 	0106,0041,0040,0147,0040,0000,0063,0041,0001,0102,0160,0002,0002,
-	0300,0000,0040,0017,0140,0017,0000,0240,0000,0000,0140,0000,0120,
+	0300,0000,0040,0017,0140,0017,0000,0240,0000,0000,0140,0000,0120
 };
 
 Uchar	bxxh[26][13] = {
@@ -64,7 +64,7 @@ Uchar	bxxh[26][13] = {
 	0020,0000,0000,0000,0020,0000,0000,0000,0000,0000,0000,0000,0060,
 	0140,0000,0160,0000,0200,0000,0000,0140,0000,0000,0000,0000,0240,
 	0065,0042,0060,0200,0000,0210,0222,0146,0006,0204,0220,0012,0003,
-	0240,0000,0020,0000,0120,0000,0000,0200,0000,0000,0200,0000,0240,
+	0240,0000,0020,0000,0120,0000,0000,0200,0000,0000,0200,0000,0240
 };
 
 Uchar	xhx[26][13] = {
@@ -93,7 +93,7 @@ Uchar	xhx[26][13] = {
 	0037,0232,0157,0361,0040,0003,0125,0010,0001,0256,0000,0000,0340,
 	0377,0377,0377,0377,0377,0377,0377,0377,0377,0377,0377,0017,0277,
 	0253,0315,0257,0216,0377,0206,0146,0306,0371,0126,0232,0000,0004,
-	0057,0012,0100,0360,0160,0360,0000,0040,0000,0017,0157,0000,0176,
+	0057,0012,0100,0360,0160,0360,0000,0040,0000,0017,0157,0000,0176
 };
 
 Uchar	xxh[26][13] = {
@@ -122,5 +122,5 @@ Uchar	xxh[26][13] = {
 	0040,0005,0020,0000,0040,0313,0231,0030,0000,0140,0000,0017,0056,
 	0140,0000,0160,0000,0200,0000,0000,0140,0000,0000,0000,0017,0240,
 	0065,0042,0060,0040,0000,0206,0231,0146,0006,0224,0220,0017,0004,
-	0240,0000,0020,0000,0140,0000,0000,0220,0000,0000,0200,0017,0141,
+	0240,0000,0020,0000,0140,0000,0000,0220,0000,0000,0200,0017,0141
 };
diff --git a/src/cmd/troff/mkfile b/src/cmd/troff/mkfile
index 17eb14af..f465e764 100644
--- a/src/cmd/troff/mkfile
+++ b/src/cmd/troff/mkfile
@@ -27,7 +27,7 @@ HFILES=tdef.h\
 
 
 <$PLAN9/src/mkone
-CFLAGS=-c -DUNICODE
+CFLAGS=-DUNICODE
 
 TMACDIR='"tmac/tmac."'
 FONTDIR='"troff/font"'
diff --git a/src/cmd/troff/n1.c b/src/cmd/troff/n1.c
index 4c2bec4b..c65898ce 100644
--- a/src/cmd/troff/n1.c
+++ b/src/cmd/troff/n1.c
@@ -395,7 +395,7 @@ char gchtab[NCHARS] = {
 	000,000,000,000,000,000,001,000, /* f */
 	000,000,000,000,000,000,000,000,
 	000,000,000,000,000,000,000,000,
-	000,000,000,000,000,000,000,000,
+	000,000,000,000,000,000,000,000
 };
 
 int realcbits(Tchar c)	/* return character bits, or MOTCH if motion */
@@ -717,7 +717,7 @@ g0:
 			if (ip)
 				goto again;
 		}
-//g2:
+/*g2: */
 		if (i >= 040)			/* zapped: && i < 0177 */
 			goto g4;
 		i = ifilt[i];
diff --git a/src/cmd/troff/n2.c b/src/cmd/troff/n2.c
index 22fd1019..6495d330 100644
--- a/src/cmd/troff/n2.c
+++ b/src/cmd/troff/n2.c
@@ -4,6 +4,7 @@
  * output, cleanup
  */
 
+#define _BSD_SOURCE 1	/* popen */
 #include "tdef.h"
 #include "fns.h"
 #include "ext.h"
diff --git a/src/cmd/troff/n7.c b/src/cmd/troff/n7.c
index bcea354a..17ab2bd5 100644
--- a/src/cmd/troff/n7.c
+++ b/src/cmd/troff/n7.c
@@ -1,3 +1,4 @@
+#define _BSD_SOURCE 1	/* isascii */
 #include "tdef.h"
 #include "fns.h"
 #include "ext.h"
diff --git a/src/cmd/troff/ni.c b/src/cmd/troff/ni.c
index a80cec64..ee09ed4a 100644
--- a/src/cmd/troff/ni.c
+++ b/src/cmd/troff/ni.c
@@ -22,7 +22,7 @@ Numtab numtab[NN] = {
 	{ PAIR('s', 't') },
 	{ PAIR('s', 'b') },
 	{ PAIR('c', '.') },
-	{ PAIR('$', '$') },
+	{ PAIR('$', '$') }
 };
 
 
@@ -150,7 +150,7 @@ Contab contab[NM] = {
 	C(PAIR('s', 'y'), casesy),
 	C(PAIR('l', 'f'), caself),
 	C(PAIR('p', 't'), casept),
-	C(PAIR('g', 'd'), casegd),
+	C(PAIR('g', 'd'), casegd)
 };
 
 
@@ -228,7 +228,7 @@ Env env[NEV] = { {	/* this sets up env[0] */
 /* int	pendnf	 */	0,
 /* int	spread	 */	0,
 /* int	it	 */	0,	/* input trap count */
-/* int	itmac	 */	0,
+/* int	itmac	 */	0
 } };
 
 Env	*envp	= env;	/* start off in env 0 */
diff --git a/src/cmd/troff/suftab.c b/src/cmd/troff/suftab.c
index 1aa8a009..858a6419 100644
--- a/src/cmd/troff/suftab.c
+++ b/src/cmd/troff/suftab.c
@@ -608,5 +608,5 @@ Uchar	*suftab[] = {
 	0,
 	0,
 	sufy,
-	0,
+	0
 };