C / C++ / MFC

void AFunction(double dNumber,int acc)
{
  int nDecimal = (int)dNumber;
  double dFract = dNumber - (double)nDecimal;
  double dFactor = 1.0;
  for (int dFi = 0; dFi < acc; dFi++) dFactor *= 10.0;
  int nFract = (int)((dFract * dFactor) + 0.5);
}

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

<br />
byte buffer[length + 1];<br />
buffer[length] = '\0';

using std::string;<br />
<br />
int main()<br />
{<br />
	string a("1234567890INTEL");<br />
	string b("1234567890AMD");<br />
<br />
	if(10 > a.length() || 10 > b.length()) {<br />
		std::cout << "Length.\n";<br />
		return 0;<br />
	}<br />
<br />
	std::cout << a.c_str() << "\n";<br />
	std::cout << b.c_str() << "\n";<br />
<br />
	int res = a.compare(0, 10, b, 0, 10);<br />
	std::cout << "res = " << res << ".\n";<br />
<br />
	return 0;<br />
}<br />

char szStr1[11], szStr2[11];
 
// Copy first 10 characters
strncpy(szStr1, string1, 10);
strncpy(szStr2, string2, 10);
 
// Append null terminating character
szStr1[10] = '\0';
szStr2[10] = '\0';
 
// Start comparing
if(strcmp(szStr1, szStr2) == 0)
{
   // They are equal
}