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???
05/19/08 05:39
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#154885 - Opposite!
Responding to: ???'s previous message
Harshada D Nehete said:
from whatever i have read in books and online i understand it is to retains value of a variable which can be changed by some thing beyond the scope of programmer.

No, it's the opposite of that!

It tells the compiler not to retain the value of a variable - because it is likely to be changed by some thing not visible to the compiler.

Key examples are variables that are modified by interrupts, and memory-mapped IO.

List of 22 messages in thread
TopicAuthorDate
keyword volatile            01/01/70 00:00      
   Opposite!            01/01/70 00:00      
      volatile modifier            01/01/70 00:00      
         Incorrect            01/01/70 00:00      
         incorrect!            01/01/70 00:00      
            even more            01/01/70 00:00      
               A heap o' trouble            01/01/70 00:00      
                  the curse of the PC programmers            01/01/70 00:00      
      meaning of "volatile" with example            01/01/70 00:00      
   example            01/01/70 00:00      
      gobbelygook            01/01/70 00:00      
      heap?            01/01/70 00:00      
      Confused?            01/01/70 00:00      
   Google told me...            01/01/70 00:00      
   link            01/01/70 00:00      
      go through my explanation            01/01/70 00:00      
         put simply...            01/01/70 00:00      
   thanks            01/01/70 00:00      
   answer accepted by interviewer            01/01/70 00:00      
      Not entirely            01/01/70 00:00      
      not input only            01/01/70 00:00      
         That's the kind of thing I'd be looking for...            01/01/70 00:00      

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