tcpsee-1.1.c – tcpsee is a tcpdump pipe written in C.

tcpsee is a tcpdump pipe written in C. It converts tcpdump’s snarfed hex data to ASCII and has optional ANSI colors.

You can download it from the following link: https://packetstormsecurity.com/files/download/17515/tcpsee-1.1.c

Source: https://packetstormsecurity.com/files/17515/tcpsee-1.1.c.html