/usr/ is in libosmo-sccp-dev 0.7.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/osmocom/sccp/
/usr/include/osmocom/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libosmo-sccp.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libosmo-mtp.pc
/usr/include/
/usr/include/osmocom/sccp/sccp_types.h
/usr/include/osmocom/sccp/sccp.h
/usr/include/osmocom/mtp/
/usr/include/osmocom/mtp/mtp_level3.h
/usr/include/osmocom/mtp/mtp_pcap.h
/usr/include/osmocom/sigtran/
/usr/include/osmocom/sigtran/m3ua_types.h
/usr/include/osmocom/sigtran/m2ua_types.h
/usr/include/osmocom/sigtran/xua_msg.h
/usr/include/osmocom/sigtran/xua_types.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libosmo-sccp-dev/
/usr/share/doc/libosmo-sccp-dev/copyright
/usr/lib/x86_64-linux-gnu/libosmomtp.so
/usr/lib/x86_64-linux-gnu/libosmosccp.so
/usr/lib/x86_64-linux-gnu/libosmoxua.so
/usr/share/doc/libosmo-sccp-dev/changelog.Debian.gz