create backup file descriptor?

Posted by BobTurbo on Stack Overflow See other posts from Stack Overflow or by BobTurbo
Published on 2010-05-06T10:24:47Z Indexed on 2010/05/06 10:28 UTC
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  stdinBackup = 4;
  dup2(0, stdinBackup);

Currently I am doing the above to 'backup' stdin so that it can be restored from backup later after it has been redirected somewhere else. I have a feeling that I am doing a lot wrong? (eg arbitrarily assigning 4 is surely not right). Anyone point me in the right direction?

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create backup file descriptor? - Developer IT

create backup file descriptor?

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Related posts about unix

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