(?:`)?(?:nrl`license)?(?:`)?(?:`)?(?:copyright`notice)?(?:`)?all`of`the`documentation`and`software`included`in`this`software`distribution`from`the`us`naval`research`laboratory`\(nrl\)`are`copyrighted`by`their`respective`developers\.`portions`of`the`software`are`derived`from`the`net`2`and`4\.4\-`lite`berkeley`software`distributions`\(bsd\)`of`the`university`of`california`at`berkeley`and`those`portions`are`copyright`by`the`regents`of`the`university`of`california\.`all`rights`reserved\.`the`uc`berkeley`copyright`and`license`agreement`is`binding`on`those`portions`of`the`software\.`in`all`cases,`the`nrl`developers`have`retained`the`original`uc`berkeley`copyright`and`license`notices`in`the`respective`files`in`accordance`with`the`uc`berkeley`copyrights`and`license\.`portions`of`this`software`and`documentation`were`developed`at`nrl`by`various`people\.`those`developers`have`each`copyrighted`the`portions`that`they`developed`at`nrl`and`have`assigned`all`rights`for`those`portions`to`nrl\.`outside`the`usa,`nrl`has`copyright`on`some`of`the`software`developed`at`nrl\.`the`affected`files`all`contain`specific`copyright`notices`and`those`notices`must`be`retained`in`any`derived`work\.(?:`)?(?:nrl`license)?(?:`)?nrl`grants`permission`for`redistribution`and`use`in`source`and`binary`forms,`with`or`without`modification,`of`the`software`and`documentation`created`at`nrl`provided`that`the`following`conditions`are`met:(?:`)?(?:.{,20})(?:`)?all`terms`of`the`uc`berkeley`copyright`and`license`must`be`followed\.(?:`)?(?:.{,20})(?:`)?redistributions`of`source`code`must`retain`the`above`copyright`notice,`this`list`of`conditions`and`the`following`disclaimer\.(?:`)?(?:.{,20})(?:`)?redistributions`in`binary`form`must`reproduce`the`above`copyright`notice,`this`list`of`conditions`and`the`following`disclaimer`in`the`documentation`and`or`other`materials`provided`with`the`distribution\.(?:`)?(?:.{,20})(?:`)?all`advertising`materials`mentioning`features`or`use`of`this`software`must`display`the`following`acknowledgements:`this`product`includes`software`developed`by`the`university`of`california,`berkeley`and`its`contributors\.`this`product`includes`software`developed`at`the`information`technology`division,`us`naval`research`laboratory\.(?:`)?(?:.{,20})(?:`)?`neither`the`name`of`the`nrl`nor`the`names`of`its`contributors`may`be`used`to`endorse`or`promote`products`derived`from`this`software`without`specific`prior`written`permission\.`the`software`provided`by`nrl`is`provided`by`nrl`and`contributors`as`is`and`any`express`or`implied`warranties,`including,`but`not`limited`to,`the`implied`warranties`of`merchantability`and`fitness`for`a`particular`purpose`are`disclaimed\.`in`no`event`shall`nrl`or`contributors`be`liable`for`any`direct,`indirect,`incidental,`special,`exemplary,`or`consequential`damages`\(including,`but`not`limited`to,`procurement`of`substitute`goods`or`services;`loss`of`use,`data,`or`profits;`or`business`interruption\)`however`caused`and`on`any`theory`of`liability,`whether`in`contract,`strict`liability,`or`tort`\(including`negligence`or`otherwise\)`arising`in`any`way`out`of`the`use`of`this`software,`even`if`advised`of`the`possibility`of`such`damage\.`the`views`and`conclusions`contained`in`the`software`and`documentation`are`those`of`the`authors`and`should`not`be`interpreted`as`representing`official`policies,`either`expressed`or`implied,`of`the`us`naval`research`laboratory`\(nrl\)\.