C / C++ / MFC

int  c( const void *e1, const void *e2 )
{
      return( strcmp((const char*)e1, (const char*)e2) );
}
 
// a is an array of char pointers
char*  a[] = {"bare","barn","bard","Dame","born","dare","BARN","barn","dame","bORn"};
 
long  i = -1,
      l =  sizeof(a[0]),  // 4 - size of char*
      n =  sizeof(a)/l;   // 40 / 4 = 10
 
qsort(a, n, l, c);  // sort array a, 10 elem, each 4 bytes in size
 
char  *k = "bard",
     **p = (char**)bsearch(&k, a, n, l, c);  // get pointer to matching key in a
 
if( p ) {
	// find index of match in sorted a (6)
	i = ((char*)p - (char*)a) / l;  // use byte arithmatic
	i = p - a;  // or, take shortcut based on p and a being known sizes
}

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

        m_pSocket = new CListenSocket();<br />
<br />
	if (m_pSocket->Create(PORT, SOCK_STREAM) == FALSE)<br />
	{<br />
    	AfxMessageBox("failure!");<br />
		m_pSocket->Close();<br />
<br />
	}<br />
<br />
	if (m_pSocket->Listen(1) == FALSE)<br />
	{<br />
	    if (m_pSocket->GetLastError() == WSAEWOULDBLOCK)<br />
		{<br />
		  	AfxMessageBox("failure!");<br />
			m_pSocket->Close();<br />
		}<br />
	}	

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

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