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> 
> library(crc32c)
> 
> ## Known test vectors
> crc32cInput <- c("123456789", "The quick brown fox jumps over the lazy dog")
> crc32cOutput <- c("e3069283", "22620404")
> 
> stopifnot( all.equal( crc32c(crc32cInput), crc32cOutput ) )
> 
> proc.time()
   user  system elapsed 
   0.23    0.09    0.26