30    static std::uint32_t 
crc32(std::size_t n, 
const void* buffer);
 
   46    static std::uint32_t 
crc32_update(std::size_t n, 
const void* buffer, std::uint32_t crc_in);
 
static std::uint32_t crc32(std::size_t n, const void *buffer)
Computes the CRC-32 checksum of a buffer.
static std::uint32_t crc32_update(std::size_t n, const void *buffer, std::uint32_t crc_in)
Updates a CRC-32 checksum of a buffer.