7558 libscf.h should provide constants for scf_type_to_string return values

@@ -92,10 +92,28 @@
         SCF_TYPE_NET_ADDR_V4,
         SCF_TYPE_NET_ADDR_V6,
         SCF_TYPE_NET_ADDR
 } scf_type_t;
 
+/*
+ * Values returned by scf_type_to_string
+ */
+#define SCF_TYPE_STRING_BOOLEAN         "boolean"
+#define SCF_TYPE_STRING_COUNT           "count"
+#define SCF_TYPE_STRING_INTEGER         "integer"
+#define SCF_TYPE_STRING_TIME            "time"
+#define SCF_TYPE_STRING_ASTRING         "astring"
+#define SCF_TYPE_STRING_OPAQUE          "opaque"
+#define SCF_TYPE_STRING_USTRING         "ustring"
+#define SCF_TYPE_STRING_URI             "uri"
+#define SCF_TYPE_STRING_FMRI            "fmri"
+#define SCF_TYPE_STRING_HOST            "host"
+#define SCF_TYPE_STRING_HOSTNAME        "hostname"
+#define SCF_TYPE_STRING_NET_ADDR        "net_address"
+#define SCF_TYPE_STRING_NET_ADDR_V4     "net_address_v4"
+#define SCF_TYPE_STRING_NET_ADDR_V6     "net_address_v6"
+
 typedef struct scf_time {
         int64_t         t_seconds;
         int32_t         t_ns;
 } scf_time_t;