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getenv
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1994-08-25
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439b
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getenv:
Synopsis: Return value for environment name.
Syntax: getenv ( NAME )
Description:
Getenv searches the current environment for a variable with
name NAME. The value of the environment variable is returned
as a string.
Exactly how getenv behaves is depends upon the underlying
operating system implementation. On UNIX system getenv will
return a NULL string if the environment variable does not
exist.
See Also: putenv