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C, flushing the buffer

 
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Unbr0ken
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PostPosted: Sat Aug 18, 2012 1:36 am    Post subject: C, flushing the buffer Reply with quote
Is there a POSIX/ANSI way to flush the stdin?

Code:
fflush(stdin); //should not be used.
setbuf(stdin, NULL); //Doesn't work on linux.
while((C = getchar()) != '\n' && C != EOF) //This is just an implementation, I need a standard function.
fseek(stdin, 0, SEEK_END); //Same as setbuf


So, Is there another way?

Thanks for reading. Wink
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Slugsnack
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PostPosted: Sat Aug 18, 2012 11:21 pm    Post subject: Reply with quote
tried fpurge?
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PostPosted: Sat Aug 18, 2012 11:34 pm    Post subject: Reply with quote
fpurge is non-standard (it's not even POSIX) and extremely non-portable; even on systems that support it, it's not recommended.

But thanks for trying to help.
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Slugsnack
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PostPosted: Sun Aug 19, 2012 9:56 am    Post subject: Reply with quote
i know that. just pointing out the common alternative. there is no portable way to do what you want (other than the code you have already posted). tcflush might be closer to what you are looking for
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PostPosted: Sun Aug 19, 2012 2:11 pm    Post subject: Reply with quote
Well, I finally had to use the implementation. It's the closest way to a standard.

Thanks for help.
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