+YAZ_EXPORT COMSTACK cs_create_host(const char *type_and_host,
+ int blocking, void **vp);
+
+YAZ_EXPORT COMSTACK cs_create_host_proxy(const char *vhost,
+ int blocking, void **vp,
+ const char *proxy_host);
+YAZ_EXPORT void cs_get_host_args(const char *type_and_host, const char **args);
+YAZ_EXPORT int cs_complete_auto_head(const char *buf, int len);
+YAZ_EXPORT int cs_complete_auto(const char *buf, int len);
+YAZ_EXPORT void *cs_get_ssl(COMSTACK cs);
+YAZ_EXPORT int cs_set_ssl_ctx(COMSTACK cs, void *ctx);
+YAZ_EXPORT int cs_set_ssl_certificate_file(COMSTACK cs, const char *fname);
+YAZ_EXPORT int cs_get_peer_certificate_x509(COMSTACK cs, char **buf, int *len);
+YAZ_EXPORT void cs_set_max_recv_bytes(COMSTACK cs, int max_recv_bytes);
+YAZ_EXPORT int completeWAIS(const char *buf, int len);
+
+YAZ_EXPORT void cs_print_session_info(COMSTACK cs);