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#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
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.
|ANSI/ISO C||C89; C99|
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