+#ifdef CLOCK_PROCESS_CPUTIME_ID
+ { CLOCK_PROCESS_CPUTIME_ID, "CLOCK_PROCESS_CPUTIME_ID" },
+#endif
+#ifdef CLOCK_THREAD_CPUTIME_ID
+ { CLOCK_THREAD_CPUTIME_ID, "CLOCK_THREAD_CPUTIME_ID" },
+#endif
+#ifdef CLOCK_MONOTONIC_RAW
+ { CLOCK_MONOTONIC_RAW, "CLOCK_MONOTONIC_RAW" },
+#endif
+#ifdef CLOCK_REALTIME_COARSE
+ { CLOCK_REALTIME_COARSE, "CLOCK_REALTIME_COARSE" },
+#endif
+#ifdef CLOCK_MONOTONIC_COARSE
+ { CLOCK_MONOTONIC_COARSE, "CLOCK_MONOTONIC_COARSE" },
+#endif
+ { 0, NULL }