Changed names of functions in utility.c and all affected files, to make
compliant with the style guide. Everybody rebuild your tags file!
diff --git a/tr.c b/tr.c
index 3e34e68..fd547b8 100644
--- a/tr.c
+++ b/tr.c
@@ -173,7 +173,7 @@
 			input_length = complement(input, input_length);
 		if (argv[index] != NULL) {
 			if (*argv[index] == '\0')
-				fatalError("STRING2 cannot be empty\n");
+				error_msg_and_die("STRING2 cannot be empty\n");
 			output_length = expand(argv[index], output);
 			map(input, input_length, output, output_length);
 		}