Specifies a buffer for stream. The function allows to specify the mode and size of the buffer (in bytes).
If buffer is a null pointer, the function automatically allocates a buffer (using size as a hint on the size to use). Otherwise, the array pointed by buffer may be used as a buffer of size bytes.Syntax:
int setvbuf ( FILE * stream, char * buffer, int mode, size_t size );Example:
int main ()
setvbuf ( pFile , NULL , _IOFBF , 1024 );
// File operations here
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