=====setvbuf=====
Syntax:

<code>
    #include <cstdio>
    int setvbuf( FILE *stream, char *buffer, int mode, size_t size );
</code>
The function setvbuf() sets the buffer for stream to be buffer, with a size of
size. mode can be:

* _IOFBF, which indicates full buffering
* _IOLBF, which means line buffering
* _IONBF, which means no buffering


Related Topics: [[setbuf]]