initial import

lib9/get9root.c

@@ -0,0 +1,18 @@
+#include <u.h>
+#include <libc.h>
+
+char*
+get9root(void)
+{
+	static char *s;
+
+	if(s)
+		return s;
+
+	if((s = getenv("PLAN9")) != 0)
+		return s;
+	/* could do better - search $PATH */
+	s = "/usr/local/plan9";
+	return s;
+}
+