fix ape cmd warnings

Reference: /n/atom/patch/applied2013/apecmd
Date: Tue May 28 04:33:57 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/ape/cmd/uname.c	Sat Mar 10 23:49:37 2012
+++ /sys/src/ape/cmd/uname.c	Wed May 22 23:32:58 2013
@@ -2,18 +2,23 @@
 #include <stdlib.h>
 #include <sys/utsname.h>
 
-#define	ARGBEGIN	for((argv0=*argv),argv++,argc--;\
+#define	ARGBEGIN	for((argv0||(argv0=*argv)),argv++,argc--;\
 			    argv[0] && argv[0][0]=='-' && argv[0][1];\
 			    argc--, argv++) {\
-				char *_args, *_argt, _argc;\
+				char *_args, *_argt;\
+				int _argc;\
 				_args = &argv[0][1];\
 				if(_args[0]=='-' && _args[1]==0){\
 					argc--; argv++; break;\
 				}\
-				while(*_args) switch(_argc=*_args++)
-#define	ARGEND		}
+				while(_argc = *_args++)\
+				switch(_argc)
+#define	ARGEND		SET(_argt);USED(_argt);USED(_argc);USED(_args);}USED(argv);USED(argc);
 #define	ARGF()		(_argt=_args, _args="",\
 				(*_argt? _argt: argv[1]? (argc--, *++argv): 0))
+#define	EARGF(x)	(_argt=_args, _args="",\
+				(*_argt? _argt: argv[1]? (argc--, *++argv): ((x), abort(), (char*)0)))
+
 #define	ARGC()		_argc
 
 char *argv0;
@@ -24,7 +29,7 @@
 prword(char *w)
 {
 	if (started)
-		putchar(' ');
+		fputs(" ", stdout);
 	else
 		started = 1;
 	fputs(w, stdout);
--- /sys/src/ape/cmd/sed/mkfile	Wed Mar 26 03:04:37 2003
+++ /sys/src/ape/cmd/sed/mkfile	Wed May 22 23:29:00 2013
@@ -18,11 +18,11 @@
 BIN=$APEBIN
 </sys/src/cmd/mkmany
 
-CFLAGS=-c -D_POSIX_SOURCE
+CFLAGS=-TVwc -D_POSIX_SOURCE
 
 all:V:	$DIRS
 
-install:V:	install.dir
+install:V:	install.dir install.rc
 
 installall:V:	installall.dir
 
@@ -49,3 +49,8 @@
 
 $O.cc: cc.$O
 	mk -f /sys/src/cmd/mkfile $O.cc
+
+install.rc:V: $BIN/psh
+
+$BIN/%: %.rc
+	cp -x $stem.rc $BIN/$stem
--- /sys/src/ape/cmd/dirname.c	Mon Dec  9 00:00:00 2002
+++ /sys/src/ape/cmd/dirname.c	Wed May 22 23:29:23 2013
@@ -5,7 +5,6 @@
 main(int argc, char **argv)
 {
 	char *f, *s;
-	int n;
 
 	if(argc != 2){
 		fprintf(stderr, "Usage: dirname string\n");
--- /sys/src/ape/cmd/mkfile	Wed Mar 26 03:04:37 2003
+++ /sys/src/ape/cmd/mkfile	Wed May 22 23:29:00 2013
@@ -18,11 +18,11 @@
 BIN=$APEBIN
 </sys/src/cmd/mkmany
 
-CFLAGS=-c -D_POSIX_SOURCE
+CFLAGS=-TVwc -D_POSIX_SOURCE
 
 all:V:	$DIRS
 
-install:V:	install.dir
+install:V:	install.dir install.rc
 
 installall:V:	installall.dir
 
@@ -49,3 +49,8 @@
 
 $O.cc: cc.$O
 	mk -f /sys/src/cmd/mkfile $O.cc
+
+install.rc:V: $BIN/psh
+
+$BIN/%: %.rc
+	cp -x $stem.rc $BIN/$stem