Winsock Interface Library for C/C++ 

The Winsock Interface Library simplifies winsock network communications programming and provides support for the most common Internet protocols such as Finger, SMTP, POP3, FTP, NNTP, and HTTP. Includes multiple C/C++ examples.
smtp pop3 email ftp winsock component library c/c++

CommView for WiFi 

CommView for WiFi is an l edition of CommView designed for capturing and analyzing network packets on wireless 802.11a/b/g networks. With CommView you can see the list of network connections and vital IP statistics and examine individual packets.
wireless wi-fi 802.11 wep network monitoring sniffer capturing traffic packet