Removed most [-Wunused-variable] warnings

Issue 14

sys/src/cmd/auth/factotum/fs.c

@@ -468,7 +468,6 @@ keylist(int i, char *a, uint n, Fsstate *fss)
 	int wb;
 	Keyinfo ki;
 	Key *k;
-	static char zero[Nearend];
 
 	k = nil;
 	mkkeyinfo(&ki, fss, nil);

sys/src/cmd/auth/factotum/pass.c

@@ -27,11 +27,6 @@ enum
 	Maxphase,
 };
 
-static char *phasenames[Maxphase] =
-{
-[HavePass]	"HavePass",
-};
-
 static int
 passinit(Proto *p, Fsstate *fss)
 {

sys/src/cmd/aux/flashfs/devfs.c

@@ -15,8 +15,6 @@
 #include <9p.h>
 #include "flashfs.h"
 
-static	char*	file;
-static	int	fd;
 static	uint8_t	*ones;
 
 static	int	isdev;

sys/src/cmd/aux/flashfs/entry.c

@@ -17,7 +17,6 @@
 
 static	int	nextfnum;
 static	Intmap*	map;
-static	Dir	dirproto;
 
 static	char	user[]	= "flash";
 

sys/src/cmd/aux/vga/vesa.c

@@ -282,35 +282,6 @@ static Flag capabilityflag[] = {
 	0
 };
 
-static Flag modeattributesflags[] = {
-	1<<0, "supported",
-	1<<2, "tty",
-	1<<3, "color",
-	1<<4, "graphics",
-	1<<5, "not-vga",
-	1<<6, "no-windowed-vga",
-	1<<7, "linear",
-	1<<8, "double-scan",
-	1<<9, "interlace",
-	1<<10, "triple-buffer",
-	1<<11, "stereoscopic",
-	1<<12, "dual-start-addr",
-	0
-};
-
-static Flag winattributesflags[] = {
-	1<<0, "relocatable",
-	1<<1, "readable",
-	1<<2, "writeable",
-	0
-};
-
-static Flag directcolorflags[] = {
-	1<<0, "programmable-color-ramp",
-	1<<1, "x-usable",
-	0
-};
-
 static char *modelstr[] = {
 	"text", "cga", "hercules", "planar", "packed", "non-chain4", "direct", "YUV"
 };

sys/src/cmd/cdfs/main.c

@@ -31,7 +31,6 @@ static void checktoc(Drive*);
 int vflag;
 
 static Drive *drive;
-static int nchange;
 
 enum {
 	Qdir = 0,

sys/src/cmd/cifs/main.c

@@ -1151,7 +1151,6 @@ main(int argc, char **argv)
 	int32_t svrtime;
 	char windom[64], cname[64];
 	char *method, *sysname, *keyp, *mtpt, *svs;
-	static char *sh[1024];
 
 	*cname = 0;
 	keyp = "";

sys/src/cmd/clock.c

@@ -32,7 +32,6 @@ redraw(Image *screen)
 	static Rectangle r;
 	static Point c;
 	static int rad;
-	static Image *im;
 	int i;
 	int anghr, angmin;
 	static Tm tms;

sys/src/cmd/ip/ppp/ppp.c

@@ -21,7 +21,6 @@
 
 #define PATH 128
 
-static	int	baud;
 static	int	nocompress;
 static 	int	pppframing = 1;
 static	int	noipcompress;

sys/src/cmd/ratrace.c

@@ -63,11 +63,10 @@ newstr(void)
 void
 reader(void *v)
 {
-	int cfd, tfd, forking = 0, exiting, pid;
+	int cfd, tfd, exiting, pid;
 	uintptr_t newpid;
 	char *ctl, *truss;
 	Str *s;
-	static char start[] = "start";
 	static char waitstop[] = "waitstop";
 
 	pid = (int)(uintptr)v;

sys/src/regress/waserror.c

@@ -9,7 +9,7 @@ void
 main(void)
 {
 	char buf[1];
-	int i, fail;
+	int i;
 	// Just to be sure.
 	if (close(3) >= 0) {
 		print("waserror: close of 3 did not get an error\n");