Spec: 
1. Command Line PhoneBook will use command line argument: 
       main(int argn, char* argc[]);    //I gave this information in the lab already. 

2. Your phonebook will maintain information for the following 5 fields. 
    * firstName(15)     //15 chars  Column 0-14 
    * lastName(15)      //15 chars  Column 15-29 
    * address(30)         //30 chars  Column 30-59 
    * phoneNumber(with Area Code)  format: (530-898-8888)   //12 Chars.  60-71 
    * Memo (50)         //additional description   72-121 

3. Features such as: add, delete, modify,list and search will be implemented. 
    You will read in input database file (it's just a flat text file) with column specific. 
    for example: Column=0 to Column 14 is first name. 
Extra credit: 2 pair of links. (One for 1st name, and one for last name) 
*This assignment will require you to implement in ect-unix platform. 
Command Line syntax: 
$phonebook -h    /help 
Command Insert sample: 
    $phonebook -i  
    $FirstName: Washington C 
    $LastName: Armstrong 
    $Address: 911 Nord Ave, #911, Chico  ca 95926 
    $Phone: 530-343-9111 
    $Memo: A guy's trying to give you hard time for your own good future. 
Command delete: 
    $phonebook -df  
    $Enter FirstName:Wash*   //This should give me options on which Washington to  
    delete. Your output will navigate to the one I want to delete and quit with successfull  
    message. 
Command Search: 
    $phonebook -sf  
    $Enter FirstName: Anthony  //will list all the Anthony with difference last name. 
    $phonebook -sf  
    $a*            //will list all the first name start with character 'a' and delete the one you choose! 
 
options summary: 
-h     //on-line help menu, should display all options and how to run the program.  
-i      //insert or add (alphabetically with firstname as criteria, first & last name must be 
           unique in your database. If there is already. You shuold modify your input name.) 
-l      //list all the information you have. (alphabetical order on first/last name) 
-m    //modify existence information. (using firstname and last name.) 
-d     //delete a record in the information database. 
-sf     //search by firstname options. (One for first name, one for last name) 
-sl     //serch by lastname options.