LinuxQuestions.org - turn off buffering

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suchi_s

10-30-2004 06:34 AM

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 );

Mara	10-30-2004 07:08 AM

No, no, no... Definitelly homework. It's an easy question. You have it in 'man setbuf'.

ToniT

10-30-2004 07:14 AM

Are you filling some sort of query there? ;)

Choice 5 does it, because it is an alias for

Code:

setvbuf(stdout,NULL, _IONBF, 8192)

, but for explicitly set buffering off
I would use command

Code:

setvbuf(stdout,NULL,_IONBF,0)

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