# Io Reference

Compilers / Loki / Linker

|  | An object that enables low level introspection into a running Io VM.
|  | bytesToHexSeq(aSeq) Returns a Sequence containing a hex representation of aSeq. hexSeqToBytes(aSeq) Returns a Sequence containing a binary representation of the hex data in aSeq. makeCFunction(aSeq, slotName, object) Creates a CFunction which users the beginning address of the data in aSeq as its function pointer and adds the CFunction to the given object on slot slotName.