Standard C++ Libaray

#include <iostrem>       // std::cout
#include <iomanip>       // std::setfill, std::setw...
#include <string>        // std::string
#include <cstring>       // std::strncpy
#include <CyCrc.hpp>     // CyTools::crc32

int main(int argc, char* argv[]) {
  int data_a = 0x7590b31a;
  float data_b = 2.538f;
  char data_c[10];
  std::string data_d = "String 1";

  std::strncpy(data_c, "String 2", sizeof(data_c));

  CyTools::crc32 a_crc;  // creates a crc using the default 32-bit standard (PK-Zip)
                         // construction with default constructor enables JIT table

  a_crc.add(data_a);     // Uses sizeof and adds data_a
  a_crc.add(data_b);     // Uses sizeof and adds data_b
  a_crc.add(data_c);     // Uses std::char_traits<char>::length, adds 8 characters
  a_crc.add(data_c, sizeof(data_c));  // adds all charaters of data_c, including nulls
  a_crc.add(data_d);     // not binary safe, but has overload, adds 8 characters

  std::cout << std::setfill('0') << std::setw(8) << std::right << std::hex;
  std::cout << a_crc << std::endl;    // auto-finalization for seemless cast & stream

  return 0;
}

#include <iostream>      // std::cout
#include <iomanip>       // std::setfill, std::setw...
#include <CyEndian.hpp>  // CyTools::fix_byte_order

int main(int argc, char* argv[]) {
  int data = 0x19ad75e0;

  // prepare data for network transport; posibaly cross-platform
  CyTools::fix_byte_order(data, CyTools::endian::system, CyTools::endian::network);

  std::cout << std::setfill('0') << std::setw(8) << right << hex;
  std::cout << data << std::endl;

  // fix data from network for local processing
  CyTools::fix_byte_order(data, CyTools::endian::network, CyTools::endian::system);

  std::cout << std::setfill('0') << std::setw(8) << right << hex;
  std::cout << data << std::endl;

  // force data to a fixed order; may be for a file format
  CyTools::fix_byte_order(data, CyTools::endian::system, CyTools::endian::big);

  std::cout << std::setfill('0') << std::setw(8) << right << hex;
  std::cout << data << std::endl;

  return 0;
}