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Description of Function pb_remove

1. Look For the Key in the Phone Book

Arguments passed to pb_remove are the Properties object pb_htable and the name key for the entry to remove. The pb_remove function calls containsKey on pb_htable with the name key, on which support function pb_keyfilter is called to change spaces to underscores. If name is not in the phone book, disp displays a message and the function returns.

2. Ask for Confirmation and If Given, Remove the Key

If the key is in the hash table, pb_remove asks for user confirmation. If the user confirms the removal by entering y, pb_remove calls remove on pb_htable with the (filtered) name key, and displays a message that the entry has been removed. If the user enters n, the removal is not performed and disp displays a message that the removal has not been performed.


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