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Old 10-30-2004, 07:34 AM   #1
Registered: May 2004
Posts: 133

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turn off buffering

Which one of the following turns off buffering for stdout?
Choice 1
setbuf( stdout, FALSE );
Choice 2
setvbuf( stdout, _IONBF );
Choice 3
setvbuf( stdout, NULL );
Choice 4
setbuf( stdout, _IONBF );
Choice 5
setbuf( stdout, NULL );
Old 10-30-2004, 08:08 AM   #2
Registered: Feb 2002
Location: Grenoble
Distribution: Debian
Posts: 9,551

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No, no, no... Definitelly homework. It's an easy question. You have it in 'man setbuf'.
Old 10-30-2004, 08:14 AM   #3
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Registered: Oct 2003
Location: Zurich, Switzerland
Distribution: Debian/unstable
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Are you filling some sort of query there?

Choice 5 does it, because it is an alias for
setvbuf(stdout,NULL, _IONBF, 8192)
, but for explicitly set buffering off
I would use command

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