1 files changed, 2 insertions, 0 deletions
diff --git a/inc/upc.h b/inc/upc.h
new file mode 100644
index 0000000..fd0cf01
--- /dev/null
+++ b/inc/upc.h
@@ -0,0 +1,2 @@
+const char* create_upc_a( char *input );
+char upc_a_calculate_check_digit( char *digits );