#include <stdio.h> void setbuf(FILE *file, char *buffer);
This function modifies the buffering characteristics of file.
First, if the file already has a buffer, it is freed. If there was any
pending data in it, it is lost, so this function should only be used
immediately after a call to fopen.
If the buffer passed is NULL, the file is set to
unbuffered. If a non-NULL buffer is passed, it must be at least
BUFSIZ bytes in size, and the file is set to fully buffered.
See section setbuffer. See section setlinebuf. See section setvbuf.
None.
ANSI, POSIX
setbuf(stdout, malloc(BUFSIZ));
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