CIS*2500(Intermediate(Programming Assignment(#4:(Contacts(List(App The(Problem You!are!to!adapt the!code!that!you!developed in!Assignment!3!to!produce!an!interface!that! reads!the!myContactsList.db!file!and!displays!it!and!allows!for!a!number!of!actions. The!record!that!you!wrote to!myContactsList.db has!the!following!structure: struct!contact!{ !!!unsigned!long!phone_number; !!!long first_name_posn; !!!long last_name_posn; !!!long company_name_posn; !!!long email_posn; !!!long!next; }; Changes!to!the!original!Assignment!3!code: D You!must!enter!either!a!Last!Name!or!a!Company!Name!for!each!contact!(as!well!as!the! phone!number!and!email). D You!must!check!that!the!phone!number!has!either!7!or!10!digits. D The!email!address!must!have!the!following!format:!string@string.ccc Your!interface!will!allow!the!following!to!be!done: 1. List!all!contacts!in alphabetical!(ascending)!order by!name!(either!last!name!or!company! name) – only!displaying the!name.!!Only!5 names!will!be!displayed!at!a!time.!!You!can! tell!the!interface!to!scroll!down!or!up!one!name!at!a!time. 2. Add!a!new!contact. 3. Allow!one!of!the!contacts!to!be!selected (by!the!number!beside!it!on!the!display). 4. Display!the!full!information!for!the!selected!contact. 5. Change!the!phone!number!or!email!for!a!selected!contact. 6. Delete!a!selected!contact. 7. Return!to!the!full!contacts!list. 8. Exit!the!program!(all!changes!to!the!myContactsList.db!file!must!be!written to!disk). Interface The!“full!contacts!list” interface!is!as!follows: Number(of(Contacts =!20 A 1. Aberfoyle Mill 2. Air!Canada 3. Jason!Argonaut B 4. Terry!Bernard 5. Bombay!Café Action:! The!action!inputs!are!the!following: + Move!down!one!name D Move!up!one!name Number Select this!contact!and!display!its!full!information A Add!a!new!contact X Exit!the!program The!following!pages!will!introduce!the!three!different!interfaces 1. Full!Contacts!List! 2. Contact!Information!– Display 3. Contact!Information!– Edit!and!Add Full(Contacts(List Number(of(Contacts =!20 A 1. Aberfoyle Mill 2. Air!Canada 3. Jason!Argonaut B 4. Terry!Bernard 5. Bombay!Café Action:!+ Number(of(Contacts =!20 A 2. Air!Canada 3. Jason!Argonaut B 4. Terry!Bernard 5. Bombay!Café 6. Ivy!Breezie Action:!+ Number(of(Contacts =!20 A 3. Jason!Argonaut B 4. Terry!Bernard 5. Bombay!Café 6. Ivy!Breezie C 7. Barbara!Catena Action:!F Number(of(Contacts =!20 A 2. Air!Canada 3. Jason!Argonaut B 4. Terry!Bernard 5. Bombay!Café 6. Ivy!Breezie Action:!5 Contact(Information(– Display Contact(Information(– Edit(and(Add R Return!to!the!Full!Contacts!List!interface E Edit!this!contact D Delete this!contact and!return!to!Full! Contacts!List R Return!to!the!Full!Contacts!List!interface (do!not!update!contact!record) S Save!this!contact!and!return!to!Full! Contacts!List D Delete this!contact and!return!to!Full! Contacts!List R Return!to!the!Full!Contacts!List!interface (do!not!update!contact!record) S Save!this!contact!and!return!to!Full! Contacts!List Contact #5 First!Name: Last!Name: Company!Name: Bombay!Cafe Phone!Number: 5198373899 Email: bcafe@gmail.com Action:!E Contact #5 First!Name: Last!Name: Company!Name: Bombay!Cafe Phone&Number (enter&only&numbers): 5198362788 Email: bombaycafe@gmail.com Action:!S Number(of(Contacts =!20 A 2. Air!Canada 3. Jason!Argonaut B 4. Terry!Bernard 5. Bombay!Café 6. Ivy!Breezie Action:!A Contact #8 First&Name: Peg Last&Name: Balasheta Company&Name: Phone&Number (enter&only&numbers): 6733860 Email: peg@balasheta.org Action:!S Number(of(Contacts =!21 A 2. Air!Canada 3. Jason!Argonaut B 4. Peg!Balashata 5. Terry!Bernardo 6. Bombay!Cafe Action:!X