setvbuf constants
Syntax
#include <stdio.h>
Remarks
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. |