formatting pass.

wc.c

@@ -8,23 +8,22 @@ int process_fn(int fn)
     while (read(fn, c, sizeof(c)) > 0) {
         printf("%c", c[0]);
     }
-		return 0;
+    return 0;
 }
 
 int main(int argc, char** argv)
 {
     if (!isatty(STDIN_FILENO)) {
-      return process_fn(STDIN_FILENO);
+        return process_fn(STDIN_FILENO);
-    } else if(argc > 1){
+    } else if (argc > 1) {
-			FILE* fp = fopen(argv[1], "r");
+        FILE* fp = fopen(argv[1], "r");
-			if(!fp){
+        if (!fp) {
-				perror("Could not open file");
+            perror("Could not open file");
-				return 1;
+            return 1;
-			}
+        }
-			return process_fn(fileno(fp));
+        return process_fn(fileno(fp));
-		} else{
+    } else {
-			printf("To do");
+        printf("To do");
-
+    }
-		}
     return 0;
 }