Add README, reverse function signature.
diff --git a/ir-parse.c b/ir-parse.c
new file mode 100644
index 0000000..fa2a326
--- /dev/null
+++ b/ir-parse.c
@@ -0,0 +1,15 @@
+/**
+ * Describes functions for parsing JSON IR CPER data into binary CPER format.
+ *
+ * Author: Lawrence.Tang@arm.com
+ **/
+
+#include <stdio.h>
+#include "json.h"
+#include "cper-parse.h"
+
+//Converts the given JSON IR CPER representation into CPER binary format, piped to the provided file stream.
+void ir_to_cper(json_object* ir, FILE* out)
+{
+ //...
+}
\ No newline at end of file