_IEC_RESULT Input pParam POINTER TO tSysSockIoctl
_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