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-rw-r--r--src/libutil/util.hh3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index 47e02bc898a6..c5c537ee63d8 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -32,6 +32,9 @@ string getEnv(const string & key, const string & def = "");
 /* Get the entire environment. */
 std::map<std::string, std::string> getEnv();
 
+/* Clear the environment. */
+void clearEnv();
+
 /* Return an absolutized path, resolving paths relative to the
    specified directory, or the current directory otherwise.  The path
    is also canonicalised. */