Open Client Client-Library/C Reference Manual

ct_diag

ct_diag returns the following values:

Return value	Meaning
CS_SUCCEED	The routine completed successfully.
CS_FAIL	The routine failed. ct_diag returns CS_FAIL if the original error has made the connection unusable.
CS_NOMSG	The application attempted to retrieve a message whose index is higher than the highest valid index. For example, the application attempted to retrieve message number 3, but only 2 messages are queued.
CS_BUSY	An asynchronous operation is already pending for this connection. For more information, see "Asynchronous programming".

Common reasons for a ct_diag failure include:


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