_IEC_RESULT Input pParam POINTER TO tSysComClose

_IEC_HANDLE Input pParam POINTER TO tSysComOpen

_IEC_RESULT Input pParam POINTER TO tSysComPurge

_IEC_RESULT Input pParam POINTER TO tSysShmClose

_IEC_HANDLE Input pParam POINTER TO tSysShmOpen

Param POINTER TO tSysShmReadByte

Param POINTER TO tSysShmWriteByte

_IEC_RESULT Input pParam POINTER TO tSysPortOut

_IEC_RESULT Input pParam POINTER TO tSysPortOutD

_IEC_RESULT Input pParam POINTER TO tSysPortOutW