C / C++ / MFC

#include <stdlib.h>
#include <stdio.h>
#include <time.h>

int main( void )
{
   int i;
   
   // Seed the random-number generator with current time so that
   // the numbers will be different every time we run.
   //
   srand( (unsigned)time( NULL ) );

   // Display 10 numbers.
   for( i = 0;   i < 10;i++ )
      printf( "  %6d\n", rand() );

  printf("\n");

  // Usually, you will want to generate a number in a specific range,
  // such as 0 to 100, like this:
  {
     int RANGE_MIN = 0;
     int RANGE_MAX = 100;
     for (i = 0;    i < 10; i++ )
      {
         int rand100 = (((double) rand() / 
                         (double) RAND_MAX) * RANGE_MAX + RANGE_MIN);
         printf( "  %6d\n", rand100);
      }
  }
}

Xing Chen wrote:

int rand100 = (((double) rand() /
(double) RAND_MAX) * RANGE_MAX + RANGE_MIN);

int rand100 = (((double) rand() /
(double) RAND_MAX) * (RANGE_MAX - RANGE_MIN) + RANGE_MIN);

COLORREF getPixelFromRawData(int x, int y)
{
    char *data, r, g, b;
    long index;

    data = rawData;
    
    index = (y*widthPixels*3) + (x*3)
    
    r = data[index+0];
    g = data[index+1];
    b = data[index+2];
    return RGB(r,g,b)
}

// From "WINDEF.H":
typedef int                 BOOL;

// WINDEF.H
typedef unsigned long       DWORD;
typedef int                 BOOL;
typedef unsigned char       BYTE;
typedef unsigned short      WORD;
typedef float               FLOAT;

// AFX.H
#define FALSE   0
#define TRUE    1
#define NULL    0