void ff( char &ch ) { ch++; }

char _ch = 'X';
ff( _ch ); // после в _ch будет 'Y'

void ff( char *ch ) { (*ch)++; }

char _ch = 'X';
ff( &_ch ); // после в _ch будет 'Y'

void ff( int arr[], size_t arraySize )

int sumArray( int arr[], size_t size )
{
      int sum = 0;

      for ( size_t i = 0; i < size; i++ )
      {
        sum += arr[ i ];
      }
      return sum;
}

void _Main2()
{
    int x[ ] = { 1, 2, 3, 4, 5, 6, 7 };
    size_t size = sizeof( x ) / sizeof( x[ 0 ] );

    std::cout << "sum: " << sumArray( x, size ) << std::endl;
}

void _Main2()
{
   const size_t M = 2, N = 2;

   char** _array = new char*[ M ];

   for ( size_t i = 0; i < M; i++ )
   {
     *( _array + i ) = new char[ N ];
   }

   for ( size_t i = 0; i < M; i++ )
   {
     for ( size_t j = 0; j < N; j++ )
     {
       *( *( _array + i ) + j ) = std::getchar();
     }
   }

   for ( size_t i = 0; i < M; i++ )
   {
     for ( size_t j = 0; j < N; j++ )
     {
       std::cout << ( *( *( _array + i ) + j ) ) << " ";
     }
     std::cout << std::endl;
   }

   for ( size_t i = 0; i < M; i++ )
   {
     delete[] *( _array + i );
   }

   delete[] _array;
}

for( int k = 0; k < length; k++ )
   *(*(mas+i)) = getchar();

for( int k = length; k--; )
{
   *(*(mas+i)) = getchar();
}

**mas=1;

* ( * ( mas + 0) + 0 ) = 1;

mas[0][0] = 1;

*mas=1;

*( mas + 0 ) = 1;

mas[0] = 1;

int _tmain(int argc, _TCHAR* argv[])
{
       const size_t M = 5;
       const size_t N = 4;

       int** _array = new int*[ M ];

       for ( size_t i = 0; i < M; i++ )
       {
         *( _array + i ) = new int[ N ];
       }

       int count = 0;

       for ( size_t i = 0; i < M; i++ )
       {
         for ( size_t j = 0; j < N; j++ )
         {
           *( *( _array + i ) + j ) = ++count;

           std::cout << ( *( *( _array + i ) + j ) ) << " ";
         }
         std::cout << std::endl;
       }

       for ( size_t i = 0; i < M; i++ )
       {
         delete[] *( _array + i );
       }

       delete[] _array;

       return 0;
}