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  77. <hr>

  78. <a name="Define-the-derived-structures"></a>

  79. <h4 class="subsubsection">2.18.4.1 Define the derived structures</h4>

  80. <p>You must define a structure for an entry in the hash table,

  81. and a structure for the hash table itself.

  82. </p>

  83. <p>The first field in the structure for an entry in the hash

  84. table must be of the type used for an entry in the hash table

  85. you are deriving from.  If you are deriving from a basic hash

  86. table this is <code>struct bfd_hash_entry</code>, which is defined in

  87. <code>bfd.h</code>.  The first field in the structure for the hash

  88. table itself must be of the type of the hash table you are

  89. deriving from itself.  If you are deriving from a basic hash

  90. table, this is <code>struct bfd_hash_table</code>.

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  95. the first field in <code>struct bfd_link_hash_table</code>, <code>table</code>,

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