reading all environment variables?

From: Mike (mikee_at_mikee.ath.cx)
Date: 07/26/04 

Date: Mon, 26 Jul 2004 11:39:23 -0000

Using C (gcc) I can get a single environment variable using
getenv(), if I know the variable name. What is the way to get
a list (array) of all environment variable names?

Mike

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