Style inquistion for util and some tools.

cat.c

@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+
 #include "text.h"
 #include "util.h"
 
@@ -16,13 +17,15 @@ main(int argc, char *argv[])
 		eprintf("usage: %s [files...]\n", argv0);
 	} ARGEND;
 
-	if(argc == 0)
+	if(argc == 0) {
 		concat(stdin, "<stdin>", stdout, "<stdout>");
-	else for(i = 0; i < argc; i++) {
+	} else for(i = 0; i < argc; i++) {
 		if(!(fp = fopen(argv[i], "r")))
 			eprintf("fopen %s:", argv[i]);
+
 		concat(fp, argv[i], stdout, "<stdout>");
 		fclose(fp);
 	}
-	return EXIT_SUCCESS;
+
+	return 0;
 }