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  Sfio - Safe/Fast IO Library
  http://www.research.att.com/sw/tools/sfio/

  ABSTRACT

  Sfio is a portable library for managing I/O streams. It provides similar
  functionality to the ANSI C Standard I/O functions known collectively as
  Stdio. However, it has a distinct interface and is generally faster and more
  robust than most Stdio implementations. Sfio also introduces a number of new
  features and concepts beyond Stdio stream I/O processing:

  * Automatic locking to avoid concurrent stream accesses,
  * I/O disciplines to pre/post-process read/write data from/to streams,
  * Stream stacking for recursive processing of nested streams,
  * Stream pooling for automatic stream synchronization when I/O operations
    are performed on different streams,
  * Buffer reservation for safe access to the internal buffers of streams,
  * Robust handling of variable-sized records, and
  * Extensible printf/scanf-like formatting I/O operations.

  DIRECTORY HIERARCHY:

  sfio:     source code for Sfio.
  sfio_f:   function versions of sfio macros.
  sfio_dc:  a collection of functions to create useful disciplines.
  sfio_t:   a set of regression tests - executable with "runtest".
  stdio_s:  the source level <stdio> compatibility package.
  stdio_b:  the binary level <stdio> compatibility package.

  CORRESPONDENCE:

  Kiem-Phong Vo
  AT&T Labs - Research
  180 Park Avenue
  Florham Park, NJ 07932
  E-Mail: kpv@@research.att.com
  WWW: http://www.att.com/technology/technologists/fellows/vo.html

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