☜	CLOSE 1990 Version of ANSI Standard					☞

2.6.2 Close

C[LOSE] postcond SP L closeargument

See 2.5.1 for the definition of postcond. See section 1 for the definition of L.

See 2.3 for the definition of expr. See 2.2 for the definition of expratom. See section 1 for the definition of V. See section 1 for the definition of L.

See 2.3 for the definition of expr.

The value of the first expr of each closeargument identifies a device (or file or data set). The interpretation of the value of this expr is left to the implementor. The deviceparameters may be used to specify termination procedures or other information associated with relinquishing ownership, in accordance with implementor interpretation.

Each designated device is released from ownership. If a device is not owned at the time that it is named in an argument of an executed Close, the command has no effect upon the ownership and the values of the associated parameters of that device. Device parameters in effect at the time of the execution of Close are retained for possible future use in connection with the device to which they apply. If the current device is named in an argument of an executed Close, the implementor may choose to execute implicitly the commands Open P Use P, where P designates a predetermined default device. If the implementor chooses otherwise, $IO is given the empty value.

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Copyright © Annotations: 2008-2024 Ed de Moel.

This page most recently updated on 15-Nov-2023, 13:22:25.

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