A DWORD is simply typedef'd to be an unsigned long for shortness.
Note that it's in capitals. There is no such thing (in Windows) as a
dword.
In Windows the following types are defined:
unsigned int = WORD = 16 bits
unsigned long = DWORD = 32 bits (double word)
Generally, all things in capital letters in Windows programming are
actually typedef'd to something else.
Mark.
-----Original Message-----
From: mouss [SMTP:[EMAIL PROTECTED]]
Sent: Wednesday, April 25, 2001 4:57 PM
To: Mark Watts; 'Swapnil Wadikar'; [EMAIL PROTECTED]
Subject: RE: dword convertion
At 16:22 25/04/01 +0100, Mark Watts wrote:
>A DWORD is actually a data type used in programming. Officially it's
an
>unsigned long integer which is defined to be 32 bits wide.
I've only seen it used in MS windows environment. never used such a
concept.
Posix defines many types, and dword is not one of them. so I'll
continue to
live
without:)
>To convert an IP address to a DWORD you need to do the following:
>
>192.168.100.2
>
>Convert each octet into 8 bit binary:
>
>11000000 10101000 01100100 00000010
>
>now combine them together
>
>11000000101010000110010000000010
>
>and finally convert back into decimal
>
>3232261122
faster:
192*256^3 + 168*256^2 + 100*256 + 2 = 3232261122
cheers,
mouss
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