(PHP 4 >= 4.0.6, PECL yaz >= 0.9.0) Specifies the databases within a session
(PHP 4 >= 4.0.1, PECL yaz >= 0.9.0) Specifies the preferred record syntax for retrieval
(PHP 4 >= 4.0.1, PECL yaz >= 0.9.0) Returns additional error information
(PHP 4 >= 4.0.1, PECL yaz >= 0.9.0) Wait for Z39.50 requests to complete
(PECL yaz >= 0.9.0) Prepares for an Extended Service Request
(PHP 4 >= 4.0.1, PECL yaz >= 0.9.0) Close YAZ connection
(PHP 4 >= 4.2.0, PECL yaz >= 0.9.0) Inspects Extended Services Result
(PHP 4 >= 4.0.1, PECL yaz >= 0.9.0) Returns a record
(PHP 4 >= 4.0.5, PECL yaz >= 0.9.0) Invoke CCL Parser
(PHP 4 >= 4.0.7, PECL yaz >= 0.9.0) Sets sorting criteria
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