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I apologize for my bad English.
Different files can has different permissions. For example I can have not permission for a file read/write, but this file is exists. How can I check existence of the such file via C89?
Thank you.
Best Regards
If you stick to C89, there’s no universal way of checking for file existence.
There are some standard functions outside of C89, POSIX functions:
stat()
fstat()
At any rate, it depends on the OS since the language itself does not provide such functionality.