Open Server Support for Large Object Locators

LOB locator functionality has been added to Server-Library, allowing Open Server applications to pass LOB locator language commands from the client to back-end servers.

To pass LOB locators from servers to client applications, an Open Server application allocates memory for a CS_LOCATOR variable, and binds and receives the LOB information from the server.

srv_bind() and srv_descfmt() have been enhanced to handle CS_TEXT_LOCATOR_TYPE, CS_IMAGE_LOCATOR_TYPE, and CS_UNITEXT_LOCATOR_TYPE.