Use of 'volatile' on RISC ULTRIX C compiler

[Marc Evans Ultrix Q/A]

In article <11190 at sybase.sybase.com>, mcfong at mercury.sybase.com (Martin C. Fong) writes:
|> How does the 'volatile' keyword affect the declarations below:
|> 
|> 	volatile int * a;
|> 	int volatile * b;
|> 	int * volatile c;
|> 
|> All three statements are legal under the RISC ULTRIX C compiler.
|> 
|> Most of the documentation I have (including DEC's) does not elaborate
|> enough (for me anyway) on how the 'volatile' declaration should be
|> used.

Prior to version 2.1 of the MIPS C compiler, use of the volatile keyword will
almost always produce a bad program. You should not use it...

As far as its intended definition though, it is suppose to comply with the
ANSI definition.

- Marc
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