*
*/
-#include <stdio.h>
+/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
+
#include <stdlib.h>
#include <unistd.h>
#include "busybox.h"
-extern int sync_main(int argc, char **argv)
+int sync_main(int argc, char **argv)
{
- if (argc > 1 && **(argv + 1) == '-')
- show_usage();
+ bb_warn_ignoring_args(argc - 1);
+
sync();
+
return(EXIT_SUCCESS);
}