nl_tokens: bind / listen
pl_tokens: function startListening ( ) { if ( shouldBind ) { <mask> { bind ( self . fd , self . port , self . host ) ; listen ( self . fd , self . options . backlog ) ; } catch ( e ) { self . kill ( 'SIGKILL' ) ; throw e ; } } self . callback && self . callback ( ) ; self . emit ( 'listening' ) ; }