/usr/include/kannel/wap/ is in kannel-dev 1.4.3-2+b2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/kannel/wap/cookies.h
/usr/include/kannel/wap/timers.h
/usr/include/kannel/wap/wap.h
/usr/include/kannel/wap/wap_addr.h
/usr/include/kannel/wap/wap_events.def
/usr/include/kannel/wap/wap_events.h
/usr/include/kannel/wap/wsp.h
/usr/include/kannel/wap/wsp_caps.h
/usr/include/kannel/wap/wsp_headers.h
/usr/include/kannel/wap/wsp_pdu.def
/usr/include/kannel/wap/wsp_pdu.h
/usr/include/kannel/wap/wsp_push_client.h
/usr/include/kannel/wap/wsp_push_client_machine.def
/usr/include/kannel/wap/wsp_push_client_states.def
/usr/include/kannel/wap/wsp_server_method_machine.def
/usr/include/kannel/wap/wsp_server_method_states.def
/usr/include/kannel/wap/wsp_server_push_machine.def
/usr/include/kannel/wap/wsp_server_push_states.def
/usr/include/kannel/wap/wsp_server_session_machine.def
/usr/include/kannel/wap/wsp_server_session_states.def
/usr/include/kannel/wap/wsp_strings.def
/usr/include/kannel/wap/wsp_strings.h
/usr/include/kannel/wap/wtls.h
/usr/include/kannel/wap/wtls_machine-decl.h
/usr/include/kannel/wap/wtls_pdu.h
/usr/include/kannel/wap/wtls_pdusupport.h
/usr/include/kannel/wap/wtls_state-decl.h
/usr/include/kannel/wap/wtls_statesupport.h
/usr/include/kannel/wap/wtp.h
/usr/include/kannel/wap/wtp_init.h
/usr/include/kannel/wap/wtp_init_machine.def
/usr/include/kannel/wap/wtp_init_states.def
/usr/include/kannel/wap/wtp_pack.h
/usr/include/kannel/wap/wtp_pdu.def
/usr/include/kannel/wap/wtp_pdu.h
/usr/include/kannel/wap/wtp_resp.h
/usr/include/kannel/wap/wtp_resp_machine.def
/usr/include/kannel/wap/wtp_resp_states.def
/usr/include/kannel/wap/wtp_tid.h