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Definition:
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close(integer fn)
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Description:
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Close a file or device and flush out any still-buffered characters.
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pwa/p2js:
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Not supported.
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Comments:
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Any still-open files are automatically closed when a program terminates (see technicalia).
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Implementation:
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via :%opClose / fclose() in builtins\VM\pfileioN.e (an autoinclude) - be warned however it is low-level complicated stuff that you do not need to know.
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See Also:
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open,
flush
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Technicalia
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Invoking close(-9) closes all open files. This is automatically performed at shutdown, and only intended for that use;
applications should not make such a call explicitly, and no support is offered for any problems that doing so
may (or may not) cause.
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