Edit $CATALINA_BASE\bin\setenv.bat (creating the file if necessary) and add
the path to the tc-native libraries, apr and OpenSSL to PATH. For example:
set PATH=%PATH;C:\cygwin\home\support\tomcat-native-current-win32-src\jni\native\Debug;C:\cygwin\home\support\tomcat-native-current-win32-src\jni\apr\Debug;C:\OpenSSL\lib\VC
Start tomcat and check for the messages like this ones:
Feb 8, 2008 2:48:17 PM org.apache.catalina.core.AprLifecycleListener init
INFO: Loaded APR based Apache Tomcat Native library 1.x.y.
Feb 8, 2008 2:48:17 PM org.apache.catalina.core.AprLifecycleListener init
INFO: APR capabilities: IPv6 [false], sendfile [true], accept filters [false], random [true].
Feb 8, 2008 2:48:18 PM org.apache.coyote.http11.Http11AprProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080