Here are the data structures with brief descriptions:

_GSM_Debug_Info
_GSM_StateMachine
_GSM_User
_INI_Entry
_INI_Section
_SOCKADDR_BTH
baud_record
DCT3_WAPSettings_Locations
GSM_Alarm
GSM_AllRingtonesInfo
GSM_AT_SMS_Cache
GSM_BatteryCharge
GSM_BinaryPicture
GSM_BinaryTone
GSM_Bitmap
GSM_CalendarEntry
GSM_CalendarSettings
GSM_CalendarStatus
GSM_Call
GSM_CallDivert
GSM_Category
GSM_CategoryStatus
GSM_CBMessage
GSM_ChatSettings
GSM_CodeName
GSM_Config
GSM_ConnectionInfo
GSM_CutLines
GSM_DateTime
GSM_DeltaTime
GSM_Device
GSM_Device_BlueToothData
GSM_Device_Functions
GSM_Device_IrdaData
GSM_Device_SerialData
GSM_Device_USBData
GSM_DisplayFeatures
GSM_EncodedMultiPartMMSEntry
GSM_EncodedMultiPartMMSInfo
GSM_FeatureName
GSM_File
GSM_FileSystemStatus
GSM_FMStation
GSM_GPRSAccessPoint
GSM_Locale
GSM_MemoryEntry
GSM_MemoryStatus
GSM_MMSFolders
GSM_MMSIndicator
GSM_MultiBitmap
GSM_MultiCallDivert
GSM_MultiPartSMSEntry
GSM_MultiPartSMSInfo
GSM_MultiSMSMessage
GSM_MultiWAPSettings
GSM_NetworkInfo
GSM_NokiaBinaryRingtone
GSM_NOKIACalToDoLocations
GSM_NOKIASMSFolder
GSM_NoteEntry
GSM_NoteRingtone
GSM_OneMMSFolder
GSM_OneSMSFolder
GSM_Phone
GSM_Phone_ALCATELData
GSM_Phone_ATGENData
GSM_Phone_ATOBEXData
GSM_Phone_Data
GSM_Phone_DUMMYData
GSM_Phone_Functions
GSM_Phone_GNAPGENData
GSM_Phone_N3320Data
GSM_Phone_N3650Data
GSM_Phone_N6110Data
GSM_Phone_N650Data
GSM_Phone_N6510Data
GSM_Phone_N7110Data
GSM_Phone_OBEXGENData
GSM_Phone_S60Data
GSM_PhoneModel
GSM_Profile
GSM_Profile_PhoneTableValue
GSM_Protocol
GSM_Protocol_ALCABUSData
GSM_Protocol_ATData
GSM_Protocol_FBUS2Data
GSM_Protocol_Functions
GSM_Protocol_GNAPBUSData
GSM_Protocol_MBUS2Data
GSM_Protocol_Message
GSM_Protocol_OBEXData
GSM_Protocol_PHONETData
GSM_Protocol_S60Data
GSM_Reply_Function
GSM_RingCommand
GSM_RingNote
GSM_Ringtone
GSM_RingtoneInfo
GSM_SecurityCode
GSM_SiemensOTASMSInfo
GSM_SignalQuality
GSM_SMSC
GSM_SMSDStatus
GSM_SMSFolders
GSM_SMSMemoryStatus
GSM_SMSMessage
GSM_SMSMessageLayout
GSM_SMSValidity
GSM_SpeedDial
GSM_SubCalendarEntry
GSM_SubMemoryEntry
GSM_SubToDoEntry
GSM_SyncMLSettings
GSM_ToDoEntry
GSM_ToDoStatus
GSM_UDHHeader
GSM_USSDMessage
GSM_WAPBookmark
GSM_WAPSettings
irda_device_info
irda_device_list
IRMC_Capability
keys_table_position
MD5Context
PrintErrorEntry
sockaddr_irda
TUint32