ape: remove unused variables

sys/src/ape/lib/ap/plan9/_buf.c

@@ -49,7 +49,7 @@ static int copynotehandler(void *, char *);
 int
 _startbuf(int fd)
 {
-	int i, pid, sid;
+	int i, pid;
 	Fdinfo *f;
 	Muxbuf *b;
 

sys/src/ape/lib/ap/plan9/_envsetup.c

@@ -32,7 +32,6 @@ void
 _envsetup(void)
 {
 	int dfd;
-	struct dirent *de;
 	int n, nd, m, i, j, f;
 	int psize, cnt;
 	int nohandle;
@@ -107,7 +106,7 @@ done:
 static void
 sigsetup(char *s, char *se)
 {
-	int i, sig;
+	int sig;
 	char *e;
 
 	while(s < se){

sys/src/ape/lib/ap/plan9/_exit.c

@@ -19,7 +19,6 @@ _exit(int status)
 void
 _finish(int status, char *term)
 {
-	int i, nalive;
 	char *cp;
 
 	if(_finishing)

sys/src/ape/lib/ap/plan9/_fdinfo.c

@@ -97,11 +97,9 @@ readprocfdinit(void)
 static void
 sfdinit(int usedproc, char *s, char *se)
 {
-	int i;
 	Fdinfo *fi;
 	unsigned long fd, fl, ofl;
 	char *e;
-	struct stat sbuf;
 
 	while(s < se){
 		fd = strtoul(s, &e, 10);

sys/src/ape/lib/ap/plan9/ctime.c

@@ -148,7 +148,7 @@ localtime_r(const time_t *timp, struct tm *result)
 	struct tm *ct;
 	time_t t, tim;
 	long *p;
-	int i, dlflag;
+	int dlflag;
 
 	tim = *timp;
 	if(tz.stname[0] == 0)

sys/src/ape/lib/ap/plan9/dup.c

@@ -11,8 +11,6 @@ dup(int oldd)
 int
 dup2(int oldd, int newd)
 {
-	int n;
-
 	if(newd < 0 || newd >= OPEN_MAX){
 		errno = EBADF;
 		return -1;

sys/src/ape/lib/ap/plan9/isatty.c

@@ -8,7 +8,6 @@
 int
 _isatty(int fd)
 {
-	int t;
 	char buf[64];
 
 	if(_FD2PATH(fd, buf, sizeof buf) < 0)

sys/src/ape/lib/ap/plan9/open.c

@@ -18,7 +18,6 @@ open(const char *path, int flags, ...)
 	int mode;
 	Fdinfo *fi;
 	va_list va;
-	struct stat sbuf;
 
 	f = flags&O_ACCMODE;
 	if(flags&O_CREAT){

sys/src/ape/lib/ap/plan9/opendir.c

@@ -84,7 +84,7 @@ rewinddir(DIR *d)
 struct dirent *
 readdir(DIR *d)
 {
-	int i, n;
+	int i;
 	struct dirent *dr;
 	Dir *dirs;
 

sys/src/ape/lib/ap/plan9/rename.c

@@ -13,7 +13,6 @@ rename(const char *from, const char *to)
 	int n, i;
 	char *f, *t;
 	Dir *d, nd;
-	long mode;
 
 	if(access(to, 0) >= 0){
 		if(_REMOVE(to) < 0){