C / C++ / MFC

void convertLongToIpAddress
  (long nLong,
   unsigned char& ch0,  <code>// highest part</code>
   unsigned char& ch1,
   unsigned char& ch2,
   unsigned char& ch3)  <code>// lowest part</code>
{
  ch0 = (unsigned char) (nLong & 0xFF000000) / (256 * 256 * 256);
  ch1 = (unsigned char) (nLong & 0x00FF0000) / (256 * 256);
  ch2 = (unsigned char) (nLong & 0x0000FF00) / 256);
  ch3 = (unsigned char) nLong % 256;
}

void convertLongToIpAddress2 (long nLong,
                              unsigned char& ch0,
                              unsigned char& ch1, 
                              unsigned char& ch2, 
                              unsigned char& ch3) // lowest part
{ 
    ch0 = (unsigned char) (nLong >> 24); 
    ch1 = (unsigned char) (nLong >> 16); 
    ch2 = (unsigned char) (nLong >> 8); 
    ch3 = (unsigned char) (nLong);
}

in_addr ia;
ia.S_un.S_addr = 16951488;
TRACE(_T("%u.%u.%u.%u\n"),
    ia.S_un.S_un_b.s_b4, 
    ia.S_un.S_un_b.s_b3, 
    ia.S_un.S_un_b.s_b2, 
    ia.S_un.S_un_b.s_b1);

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

<br />
std::vector<int> BunchOfNumbers;<br />
BunchOfNumbers.push_back(1);<br />
BunchOfNumbers.push_back(32);<br />
//continue adding elements at the back...<br />
<br />
//now print them out<br />
for (int j = 0; j < BunchOfNumbers.size(); j++)<br />
{<br />
   printf("%d", BunchOfNumbers[j]);<br />
}<br />

#include <vector>

using namespace std;

void main()
{
    vector<int> a;

    int i = 2;

    a.push_back(5 * i);
    a.push_back(3 * i);

    printf("size is [%d], first is [%d], second is [%d]", a.size(), a[0], a[1]\n");
}

// Accesing elements
typedef std::vector<int> int_array_type;
int_array_type int_array;
// Example 1
for( int i=0; i<int_array.size(); ++i )
{
    if( some_int_value == int_array[i] )
        // then do some thing
}
// Example 2
int_array_type::const_iterator i = int_array.begin();
for( ; i != int_array.end(); ++i )
{
    if( some_int_value == *i )
        // then do some thing
}