// returns days since Oct 24 1996
int build_number( void )
{
  int m = 0; 
  int d = 0;
  int y = 0;
  static int b = 0;

  if (b != 0)
  return b;

  for (m = 0; m < 11; m++)
  {
  if ( Q_strnicmp( &date[0], mon[m], 3 ) == 0 )
  break;
  d += mond[m];
  }

  d += atoi( &date[4] ) - 1;

  y = atoi( &date[7] ) - 1900;

  b = d + (int)((y - 1) * 365.25);

  if (((y % 4) == 0) && m > 1)
  {
  b += 1;
  }

  b -= 34995; // Oct 24 1996

  return b;
}