1 files changed, 7 insertions, 2 deletions
diff --git a/wtf8.h b/wtf8.h
index a635e1e..f02e31b 100644
--- a/wtf8.h
+++ b/wtf8.h
@@ -2,6 +2,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#define PROGRAM_NAME "wtf8"
+
+#define BYTE_SEP '-'
+#define CHAR_SEP ' '
+
 int is_utf8_cont(unsigned char);
-void print_octets(char *);
-void print_characters(char *);
+void print_octets(FILE *, char *);
+void print_characters(FILE *, char *);