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Home/ Questions/Q 612385
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T17:53:15+00:00 2026-05-13T17:53:15+00:00

Assume I have a file pointer FILE* myfile . Is there a way to

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Assume I have a file pointer FILE* myfile. Is there a way to retrieve the name of the file where myfile is reading from or writing to?

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  1. Editorial Team
    Editorial Team
    2026-05-13T17:53:16+00:00Added an answer on May 13, 2026 at 5:53 pm

    Not in any CRT implementation that I’ve ever seen. It is useless info, you already have to supply the file name to get a FILE*. You could probably dig an operating system handle out of the FILE structure although you might need to hop through a file descriptor table. Your next problem is then the operating system support you’d need to map a file handle back to a file name. That should be difficult too.

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