cleaning up for-loops again

ex10.c

@@ -3,10 +3,9 @@
 int main(int argc, char *argv[])
 {
     int i = 0;
-    char *arg = "";
 
-    for(i = 0, arg = ""; i < argc && (arg = argv[i++]);) {
-        printf("arg %d: %s\n", i, arg);
+    for(i = 0; i < argc; i++) {
+        printf("arg %d: %s\n", i, argv[i]);
     }
 
     char *states[] = {
@@ -15,8 +14,8 @@ int main(int argc, char *argv[])
     };
     int num_states = 4;
 
-    for(i = 0, arg = ""; i < num_states && (arg = states[i++]);) {
-        printf("state %d: %s\n", i, arg);
+    for(i = 0; i < num_states; i++) {
+        printf("state %d: %s\n", i, states[i]);
     }
 
     return 0;