Description: Consider the use of two-way linked list to implement a sorted list in this table allows both forward and reverse search. If the pointer p always points to the last successful search nodes, the search direction from the node p starting in either direction. According to this test case to write a function search (head, p, key), to retrieve the key code with key nodes, and modify p.
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File list (Check if you may need any files):
exe6_16
.......\exe6_16.cpp
.......\exe6_16.dsp
.......\exe6_16.dsw
.......\exe6_16.ncb
.......\exe6_16.opt
.......\exe6_16.plg