This the torrent reference library coded in plain old and universal C for the most part that is, there are other parts that are in C too.

libutp-master
.............\.gitignore
.............\LICENSE
.............\Makefile
.............\README.md
.............\VS2012
.............\......\libutp-2012.vcxproj
.............\......\libutp-2012.vcxproj.filters
.............\libutp-2012.vcxproj.filters
.............\libutp-2013.vcxproj
.............\libutp_inet_ntop.cpp
.............\libutp_inet_ntop.h
.............\parse_log.py
.............\prop_sheets
.............\...........\RunTimeDebug.props
.............\...........\RunTimeRelease.props
.............\...........\debug-2012.props
.............\...........\release-2012.props
.............\...........\win32-2012.props
.............\...........\x64-2012.props
.............\ucat.c
.............\utp.h
.............\utp_api.cpp
.............\utp_callbacks.cpp
.............\utp_callbacks.h
.............\utp_hash.cpp
.............\utp_hash.h
.............\utp_internal.cpp
.............\utp_internal.h
.............\utp_packedsockaddr.cpp
.............\utp_packedsockaddr.h
.............\utp_templates.h
.............\utp_types.h
.............\utp_utils.cpp
.............\utp_utils.h

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