Re: [Dev-C++] Data types

[Per W. <pw...@ia...>]

No, there are no compilers where int is default unsigned.

However, the char data type might be default signed or unsigned. If
unsigned, it will store - at least - the range 0..255 while a signed char
will store - at least - -128..+127.

/Per W

On Sat, 3 Jan 2004, P.T. Waugh MA wrote:

> 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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