1 files changed, 20 insertions, 0 deletions
diff --git a/inc/spec.h b/inc/spec.h
new file mode 100644
index 0000000..3d8300c
--- /dev/null
+++ b/inc/spec.h
@@ -0,0 +1,20 @@
+// Copyright (c) 2023, Marvin Borner <dev@marvinborner.de>
+// SPDX-License-Identifier: MIT
+
+#ifndef BLOC_SPEC_H
+#define BLOC_SPEC_H
+
+#define BLOC_IDENTIFIER "BLoC"
+#define BLOC_IDENTIFIER_LENGTH 4
+
+struct bloc_header {
+	char identifier[BLOC_IDENTIFIER_LENGTH];
+	short length;
+	void *entries;
+} __attribute__((packed));
+
+struct bloc_entry {
+	void *expression;
+} __attribute__((packed));
+
+#endif