-_syscall2(int, bdflush, int, func, int, data);
-#endif /* __GLIBC__ */
-
-static char update_usage[] =
- "update [options]\n"
-#ifndef BB_FEATURE_TRIVIAL_HELP
- "\nPeriodically flushes filesystem buffers.\n\n"
- "Options:\n"
- "\t-S\tforce use of sync(2) instead of flushing\n"
- "\t-s SECS\tcall sync this often (default 30)\n"
- "\t-f SECS\tflush some buffers this often (default 5)\n"
-#endif
- ;
+static _syscall2(int, bdflush, int, func, int, data);
+#endif /* __GLIBC__ */