RE: [Dev-C++] C keyword 'volatile'

[Ioannis V. <iv...@em...>]

> -----Original Message-----
> From: dev...@li... 
> [mailto:dev...@li...] On Behalf 
> Of Louis Godio
> Sent: Thursday, June 19, 2003 4:14 PM
> To: DEVCppUsers
> Subject: [Dev-C++] C keyword 'volatile'
> 
> 
> Can anyone explain the C keyword 'volatile'
> as in the statement:  volatile int x;
> 
> What does this do to variable x ? when does one need to use it  ?


It tells to the compiler that the value of the variable may change by an
external factor (e.g. a thermometer) so it can make no assumptions about
what its current value is, but always read it when its value is requested.




Ioannis Vranos
 
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