#include <utime.h>
#include <dirent.h>
-const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
+static const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
" or: cp [OPTION]... SOURCE... DIRECTORY\n"
"Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n"
"\n"