IBM 4J manual Following is the ConnectDirectSession class header, Cdsuccess = 0, Cdfailure =

Method	Description	Parameter	Return Values
GetPreviousError	Moves the error data pointer to	void	TRUE—If successful
	the previous error in the list.		FALSE—If no
			previous error
			exists.
GetFirstError	Moves the error data pointer to	void	TRUE—If successful
	the first error in the list.		FALSE—If no error
			is found.
GetLastError	Moves the error data pointer to	void	TRUE—If successful,
	the last error in the list.		otherwise FALSE.
GetMsgID	Retrieves the message of the	void	Return Value:
	current error data block.		Pointer to a message
	You must call one of the		ID if data block is
			value.
	GetXXXXError methods before
	calling this method in order to
	retrieve the proper results.
GetFeedBackCode	Returns the feedback code of the	void	Feedback code.
	current error data block.
GetReturnCode	Returns the Sterling	void	One of the valid
	Connect:Direct return code.		Sterling
			Connect:Direct
			return code: 1,4,8,16.
GetStatus	Returns the status.	void	Sterling
			Connect:Direct
			status code.
GetSubstitute	Returns the current substitution	void	Pointer to a
	buffer associated with the error.		substitution buffer.
DisplayError	Displays the current error chain	Parameters:	Return Value:
	to an output location.	Pointer to a	Returns the highest
		file I/O	error found in the
		structure.	error chain or -1 on
			error.

Following is the ConnectDirectSession class header:

#include <stdio.h>

//Error enumeration.

typedef enum CDErrorCode

{

CD_SUCCESS = 0, CD_FAILURE = -1

} CDErrorCode;

//<<Interface>> class CDSession

{

public:

//Communication methods...

virtual CDErrorCode Connect(void) = 0;

virtual CDErrorCode Connect(char *IpAddress, char *IpPort) = 0; virtual CDErrorCode DisConnect(void) = 0;

virtual CDErrorCode SendCommand(char *CmdText) = 0; virtual CDErrorCode ReceiveResponse(void) = 0;

72Sterling Connect:Direct for UNIX: User Guide