PvGetDSN()


In	hConnection	Connection handle that identifies the server. Connection handles are obtained with the PvConnectServer() function.
In	dsnName	Name of the datasource. A list of DSNs can be obtained with the PvListDSNs() function.
In/Out	pdsnDescSize	Address of an unsigned long containing size of the buffer for DSN description. Receives actual size of DSN description.
Out	dsnDesc	Contains the description of DSN if successful.
In/Out	pdsnDBQSize	Address of an unsigned long containing size of the buffer for name of database. Receives actual size of database name.
Out	dsnDBQ	Contains the name of the database if successful.


P_OK	The operation was successful.
P_E_INVALID_HANDLE	Invalid connection handle.
P_E_NULL_PTR	Call with NULL pointer
P_E_BUFFER_TOO_SMALL	The buffer is too small for the string. In this case, the required buffer size is returned in pdsnDescSize or pdsnDBQSize.
P_E_FAIL	Failed to retrieve data path.

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Connection established by PvConnectServer() or if you are performing the operation on a local machine, P_LOCAL_DB_CONNECTION may be used as the connection handle.