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setvbuf Constants

#include <stdio.h>


These constants represent the type of buffer for setvbuf.

The possible values are given by the following manifest constants:

Constant Meaning
_IOFBF Full buffering: Buffer specified in call to setvbuf is used and its size is as specified in setvbuf call. If buffer pointer is NULL, automatically allocated buffer of specified size is used.
_IOLBF Same as _IOFBF.
_IONBF No buffer is used, regardless of arguments in call to setvbuf.

See Also

setbuf | Global Constants