                                   Ruby/NIS                                    
                                                                               
           Copyright (C) 2001, Takaaki Tateishi (ttate@jaist.ac.jp)            
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Description

This module provides only the module for NIS(YP) API.
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YP Module

Constant:

  * YPERR_....
  * YPOP_....

Module Functions:

  * yp_all(domain, map, callback)
  * yp_all(domain, map){|status, key, val| ... }
  * key, val = yp_first(domain, map)
  * next_key, next_val = yp_next(domain, map, key)
  * val = yp_match(domain, map, key)
  * yp_update(domain, map, ypop, key, val)

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