nl_tokens: readInt32BE ( value number [ offest ] )
pl_tokens: function readUInt64BE ( buf , offset ) { if ( offset ) { buf = buf . slice ( offset , offset + 8 ) ; } // create a hex equivalent string: let str = buf . toString ( 'hex' ) ; str = str . <mask> ( '' ) ; let solution = 0 ; let mul = 15 ; str . forEach ( ( num ) => { let dec = getDecimal ( num ) ; solution += dec * Math . pow ( 16 , mul ) ; mul -- ; } ) ; return solution ; // (value position 0 * 16^15) + (value position 1 * 16^14) + ... +  (value position 7 * 16^0) }