Re: [Dev-C++] Data types

[P.T. W. M. <pt...@ea...>]

An unsigned int is an unsigned integer which is an integer from 0 to the 
maximum value that sizeof(int) will hold on your system which is the value 
it would take on if all the bits were 1's.  This is on many systems the 
default for "int".  This is as compared to a signed int which uses the most 
significant bit of the byte or word to determine the "sign" (positive or 
negative) of the variable.    Such bytes (or words) are then interpreted as 
negative.

UINT is either a pre-processor macro, or (more likely) a typedef (alias) 
for unsigned int.

For example:

// Define an alias for unsigned int type
typedef UINT unsigned int

then to do this:

// Standard way
unsigned int uivar

// You can now do this
UINT uivar

This typedef might be a part of windows.h... do a grep for it.

At 20:24 03-01-04, Noorez Kassam wrote:
>There are somethings i don't understand.
>
>I thought that you needed the windows.h file to use the  UINT for unsigned 
>int? When I was programing for MS-DOS i never saw the UINT for unsigned int.
>
>and what would this program line do
>#define true 0
>
>and what is an unsigned char?
>
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