/usr/include/ is in libevd-0.1-dev 0.1.18-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/evd-0.1/
/usr/include/evd-0.1/evd.h
/usr/include/evd-0.1/evd-error.h
/usr/include/evd-0.1/evd-utils.h
/usr/include/evd-0.1/evd-resolver.h
/usr/include/evd-0.1/evd-socket.h
/usr/include/evd-0.1/evd-socket-input-stream.h
/usr/include/evd-0.1/evd-socket-output-stream.h
/usr/include/evd-0.1/evd-tls-input-stream.h
/usr/include/evd-0.1/evd-tls-output-stream.h
/usr/include/evd-0.1/evd-stream-throttle.h
/usr/include/evd-0.1/evd-buffered-input-stream.h
/usr/include/evd-0.1/evd-buffered-output-stream.h
/usr/include/evd-0.1/evd-throttled-input-stream.h
/usr/include/evd-0.1/evd-throttled-output-stream.h
/usr/include/evd-0.1/evd-json-filter.h
/usr/include/evd-0.1/evd-service.h
/usr/include/evd-0.1/evd-tls-session.h
/usr/include/evd-0.1/evd-tls-certificate.h
/usr/include/evd-0.1/evd-tls-privkey.h
/usr/include/evd-0.1/evd-tls-credentials.h
/usr/include/evd-0.1/evd-io-stream.h
/usr/include/evd-0.1/evd-connection.h
/usr/include/evd-0.1/evd-io-stream-group.h
/usr/include/evd-0.1/evd-http-connection.h
/usr/include/evd-0.1/evd-web-service.h
/usr/include/evd-0.1/evd-transport.h
/usr/include/evd-0.1/evd-peer.h
/usr/include/evd-0.1/evd-peer-manager.h
/usr/include/evd-0.1/evd-longpolling-server.h
/usr/include/evd-0.1/evd-websocket-server.h
/usr/include/evd-0.1/evd-connection-pool.h
/usr/include/evd-0.1/evd-reproxy.h
/usr/include/evd-0.1/evd-web-selector.h
/usr/include/evd-0.1/evd-web-transport-server.h
/usr/include/evd-0.1/evd-http-message.h
/usr/include/evd-0.1/evd-http-request.h
/usr/include/evd-0.1/evd-web-dir.h
/usr/include/evd-0.1/evd-dbus-agent.h
/usr/include/evd-0.1/evd-dbus-bridge.h
/usr/include/evd-0.1/evd-dbus-daemon.h
/usr/include/evd-0.1/evd-jsonrpc.h
/usr/include/evd-0.1/evd-tls-cipher.h
/usr/include/evd-0.1/evd-pki-common.h
/usr/include/evd-0.1/evd-pki.h
/usr/include/evd-0.1/evd-pki-privkey.h
/usr/include/evd-0.1/evd-pki-pubkey.h
/usr/include/evd-0.1/evd-daemon.h
/usr/include/evd-0.1/evd-http-chunked-decoder.h
/usr/include/evd-0.1/evd-poll.h
/usr/include/evd-0.1/evd-tls-common.h
/usr/include/evd-0.1/evd-tls-dh-generator.h