C / C++ / MFC

typdef struct _double_array
{
double array[9];
int nCount;
} DOUBLE_ARRAY, *LPDOUBLE_ARRAY;

int i = 0;

float stackArray[5];
i = sizeof(stackArray) / sizeof(stackArray[0]);	// i is 5
// sizeof(stackArray) will return (5 * sizeof(float))
// sizeof(stackArray[0]) will return sizeof(float)

float* heapArray = new float[5];
i = sizeof(heapArray) / sizeof(heapArray[0]);	// i is 1
// sizeof(heapArray) will return sizeof(float*)
// sizeof(heapArray[0]) will return sizeof(float)

// Interesting Note (forget bounds errors here)
int myFunction(float* myArray)
{
	return sizeof(myArray) / sizeof(myArray[0]);
}
// above function will return heap results regardless of where
// the float array is actually allocated (that is, always 1)

Veeresh Hiremath wrote:

pops up an MDI child window

char szPath[255];
if(SUCCEEDED(SHGetSpecialFolderPath(NULL,szPath,CSIDL_FAVORITES, 0))) 
{
     MessageBox(szPath);
}

GetWindowsDirectory()<br />
<pre>	char cBuf[255];
	GetWindowsDirectory(cBuf,255);
	MessageBox(cBuf); </pre> <br />
This will give you the path to windows directory however. <br />
<br />
<div class="ForumSig"><font face="Verdana" color="Crimson" size="1.4">Nobody can give you wiser advice than yourself. - Cicero</font></div>

struct hostent *lphe;
lphe = gethostbyname("mylinux");
if (!lphe) {
 //no active interface or dns unavailable?
} else {
 printf("Computer name is : %s\nIts IP address is: %s", lphe->h_name, inet_ntoa(lphe->h_addr));
}

Galatei wrote:

lphe = gethostbyname("mylinux");

Galatei wrote:

inet_ntoa(lphe->h_addr)

Aniket Salunkhe wrote:

How / From where I can get this name ("mylinux")?

#include <unistd.h>
#include <limits.h>

  char name[HOST_NAME_MAX+1];
  int result;

  result=gethostname(name, HOST_NAME_MAX+1);