cotp Directory Reference

Files
	cotp.cpp
	TPKT + COTP (X.224 class 0) frame builder + parser (pure, host-tested).
	cotp.h
	TPKT (RFC 1006) + COTP / ISO 8073 X.224 class-0 frame codec (PC_ENABLE_COTP) - zero-heap "ISO transport on TCP" framing, the reusable foundation under S7comm and IEC 61850 MMS.