IN C WITH COMMENTS

Numeric (IPv4) addresses for computers on the international network Internet are composed of four parts, separated by periods, of the form: xx.yy.zz.mm where xx, yy, zz, and mm are positive integers. Locally, computers are usually known by a nickname as well. You are designing a program to process a list of Internet addresses, identifying all pairs of computers from the same locality. Create a structure type called address_t with components for the four integers of an Internet address and a fifth component in which to store an associated nickname of 10 characters. Your program should read a list of up to 100 addresses and nicknames terminated by a sentinel address of all zeros and a sentinel nickname. Sample Data: 111.22.3.44 platte 555.66.7.88 webash 111.22.5.66 green 0.0.0.0 none The program should display a list of messages identifying each pair of computers from the same locality -- that is, each pair of computers with matching values in the first two components of the address. In the messages, the computers should be identified by their nicknames. Example Message: Machines platte and green are on the same local network Follow the messages by a display of the full list of addresses and nicknames. Include in your program a scan_address() function, a print_address() function, and a local_address() function. Function local_address() should take two address structures as input parameters and return 1 (for true) if the addresses are on the same local network, and 0 (for false) otherwise.

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