SEAMAC_ClearCommBreak
SEAMAC_GetBufferCount
SEAMAC_GetData
SEAMAC_GetModemControl
SEAMAC_GetPortInfo
SEAMAC_GetPortState
SEAMAC_GetSystemInfo
SEAMAC_OvrlGetData
SEAMAC_OvrlPortOpen
SEAMAC_OvrlPutData
SEAMAC_PortClose
SEAMAC_PortOpen
SEAMAC_PutData
SEAMAC_ResetBuffers
SEAMAC_SetCommBreak
SEAMAC_SetModemControl
SEAMAC_SetNodeAddress
SEAMAC_SetPortState
SEAMAC_TransmitCommChar