Question: When a UDP server executes the call to recyfrom() shown below, and it returns with echoLen set to a positive integer, what will the fromAddr

When a UDP server executes the call to recyfrom() shown below, and it returns with echoLen set to a positive integer, what will the fromAddr structure contain? (Assume that all necessary constants and data structures are properly initialized.) echoLen = recyfrom(sock, echoBuffer, MAXECHO,0, (struct sockaddr *) &fromAddr, &fromSize);

a. nothing

b. the server's own port and IP address

c. the source port and source IP address of the sender (client)

d. the complete contents of the UDP datagram ct

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