getenv semantics

[Tony Maher]

Thanks for the reference.  As I read it FreeBSD is following
standard (no surprise ;-) but it would appear other platforms
may not be.  I'll check this out when I get access to a linux
box.

Joseph Koshy wrote:

>>From "The Open Group Base Specifications Issue 6"
> http://www.cnop.net/docs/susv3/functions/getenv.html
> 
> "The getenv() function shall search the environment of the
>  calling process (see the Base Definitions volume of IEEE Std
>  1003.1-2001, Chapter 8, Environment Variables) for the
>  environment variable name if it exists and return a pointer to
>  the value of the environment variable. If the specified
>  environment variable cannot be found, a null pointer shall be
>  returned."

--
tonym

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