1 files changed, 12 insertions, 0 deletions
diff --git a/src/lib9/getenv.c b/src/lib9/getenv.c
index c6ff7160..2a2d1391 100644
--- a/src/lib9/getenv.c
+++ b/src/lib9/getenv.c
@@ -13,3 +13,15 @@ p9getenv(char *s)
 	return strdup(t);
 }
 
+int
+p9putenv(char *s, char *v)
+{
+	char *t;
+
+	t = smprint("%s=%s", s, v);
+	if(t == nil)
+		return -1;
+	putenv(t);
+	free(t);
+	return 0;
+}