1 files changed, 6 insertions, 0 deletions
diff --git a/trigraph.h b/trigraph.h
new file mode 100644
index 0000000..8390485
--- /dev/null
+++ b/trigraph.h
@@ -0,0 +1,6 @@
+#ifndef TRIGRAPH_H
+#define TRIGRAPH_H
+#include <stdio.h>
+
+int trigraph(FILE *in, FILE *out);
+#endif