setvbuf man page on DigitalUNIX

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Digital UNIX Diffs - setbuf(5)			Digital UNIX Diffs - setbuf(5)

NAME
       setbuf, setvbuf -  Assign buffering to a stream

LIBRARY
	Standard C Library (libc.a)

SYNOPSIS
       void setbuf(
	       FILE *stream,
	       char *buffer);

       int setvbuf(
	       FILE *stream,
	       char *buffer,
	       int mode,
	       size_t size);

PARAMETERS
       Specifies  the  input/output  stream.   Points  to  a  character array.
       Determines how the stream parameter is buffered.	 Specifies the size of
       the buffer to be used.

DIFFERENCES
       vms-vaxc(5): OpenVMS VAX C vs DEC C Differences

       The  value  of the DEC C RTL constant BUFSIZ is 8192, compared with 512
       for VAX C.  This changes	 the  behavior	of  setbuf(3)  and  setvbuf(3)
       between	the  2	RTLs.  setvbuf(3) ignores buffers smaller than BUFSIZ.
       This results in the user's buffer not being used.

RELATED INFORMATION
       Functions:  setbuf(3), setvbuf(3)

CATEGORY INDEX
	vms-vaxc(5)

       delim off

						Digital UNIX Diffs - setbuf(5)
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