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Re: Finding the name of a file

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Jorgen Grahn <grahn+nntp@snipabacken.se> writes:

> On Sat, 2021-01-16, Joe Pfeiffer wrote:
>
>> Jorgen Grahn <grahn+nntp@snipabacken.se> writes:
>>
>>> On Fri, 2021-01-15, Tim Rentsch wrote:
>>>
>>>>     I want to know if there is any function that takes as
>>>>     parameter the file pointer fp and returns the name of
>>>>     the file "example.txt" and the mode "r".
>>>>
>>>> I don't see anything there that says he is asking (only) about
>>>> the standard C library.  What he wants to know is about "any
>>>> function".  Are you referring to some other comment that I may
>>>> have missed?
>>>
>>> No, that's what I read, and combined with the fact that he asked in
>>> comp.lang.c.  If he had asked in comp.unix.programmer, I suppose there
>>> could have been such a function in a Unix libc.
>>
>> To have simply said "no" if in fact there were a way to do it (even if
>> not in the C standard library) would have been pretty obnoxious.  Much
>> better to answer "no, and it may not even be possible.  Here's a way to
>> approximate it", as pretty much everybody did.
>
> Much better IMO to reply "no; do you want it, and if so for what
> purpose?"

I suggest something like this:  "What I think you're asking is
for any function that will give you the information you're
looking for.  There is no such function in purely standard C,
but there are some functions that may be what you're looking
for in Unix or Posix environments.  Some examples are (names
of candidates here).  Does this help answer your question, or
if not is there more you can say about what it is you're trying
to do?"

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Thread

Finding the name of a file emanuele cannizzo <emacannizzo@gmail.com> - 2021-01-12 07:26 -0800
  Re: Finding the name of a file Bart <bc@freeuk.com> - 2021-01-12 16:14 +0000
    Re: Finding the name of a file scott@slp53.sl.home (Scott Lurndal) - 2021-01-12 17:02 +0000
  Re: Finding the name of a file Christian Hanné <the.hanne@gmail.com> - 2021-01-12 17:29 +0100
    Re: Finding the name of a file scott@slp53.sl.home (Scott Lurndal) - 2021-01-12 17:03 +0000
    Re: Finding the name of a file antispam@math.uni.wroc.pl - 2021-01-12 19:52 +0000
  Re: Finding the name of a file Mark Bluemel <mark.bluemel@gmail.com> - 2021-01-12 08:37 -0800
  Re: Finding the name of a file Anton Shepelev <anton.txt@g{oogle}mail.com> - 2021-01-12 19:41 +0300
    Re: Finding the name of a file Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2021-01-12 09:34 -0800
      Re: Finding the name of a file Anton Shepelev <anton.txt@g{oogle}mail.com> - 2021-01-12 20:56 +0300
  Re: Finding the name of a file Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2021-01-12 09:42 -0700
    Re: Finding the name of a file Bart <bc@freeuk.com> - 2021-01-12 16:56 +0000
      Re: Finding the name of a file Anton Shepelev <anton.txt@g{oogle}mail.com> - 2021-01-12 19:58 +0300
      Re: Finding the name of a file Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2021-01-12 11:25 -0700
      Re: Finding the name of a file antispam@math.uni.wroc.pl - 2021-01-12 20:12 +0000
        Re: Finding the name of a file Bart <bc@freeuk.com> - 2021-01-12 20:29 +0000
          Re: Finding the name of a file antispam@math.uni.wroc.pl - 2021-01-12 22:14 +0000
            Re: Finding the name of a file Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-01-12 15:12 -0800
              Re: Finding the name of a file Jorgen Grahn <grahn+nntp@snipabacken.se> - 2021-01-15 07:41 +0000
                Re: Finding the name of a file Tim Rentsch <tr.17687@z991.linuxsc.com> - 2021-01-15 09:54 -0800
                Re: Finding the name of a file Jorgen Grahn <grahn+nntp@snipabacken.se> - 2021-01-15 21:02 +0000
                Re: Finding the name of a file Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2021-01-15 18:30 -0700
                Re: Finding the name of a file Jorgen Grahn <grahn+nntp@snipabacken.se> - 2021-01-16 07:47 +0000
                Re: Finding the name of a file Tim Rentsch <tr.17687@z991.linuxsc.com> - 2021-01-20 09:11 -0800
                Re: Finding the name of a file Siri Cruise <chine.bleu@yahoo.com> - 2021-01-20 09:39 -0800
                Re: Finding the name of a file Tim Rentsch <tr.17687@z991.linuxsc.com> - 2021-01-23 08:52 -0800
                Re: Finding the name of a file Vir Campestris <vir.campestris@invalid.invalid> - 2021-01-25 21:43 +0000
                Re: Finding the name of a file scott@slp53.sl.home (Scott Lurndal) - 2021-01-25 23:47 +0000
                Re: Finding the name of a file Tim Rentsch <tr.17687@z991.linuxsc.com> - 2021-01-27 07:55 -0800
                Re: Finding the name of a file Tim Rentsch <tr.17687@z991.linuxsc.com> - 2021-01-20 09:06 -0800
  Re: Finding the name of a file Kaz Kylheku <563-365-8930@kylheku.com> - 2021-01-12 18:18 +0000
  Re: Finding the name of a file Manfred <noname@add.invalid> - 2021-01-15 20:12 +0100
    Re: Finding the name of a file scott@slp53.sl.home (Scott Lurndal) - 2021-01-15 19:55 +0000
      Re: Finding the name of a file Manfred <noname@add.invalid> - 2021-01-16 02:06 +0100

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