Function usage

lib_acl_cpp/samples/scan_rmdir/main.cpp:140–148

}

static void usage(const char* procname)
{
	printf("usage: %s -h [help]\r\n"
		" -d path\r\n"
		" -R [rmdir_on]\r\n"
		" -r [if recursive, default: false]\r\n"
		" -C [using myscan_dir C++ class]\r\n"
		" -a [if get fullpath, default: false]\r\n", procname);
}

int main(int argc, char* argv[])
{