Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//usr/include/linux/netfilter/xt_helper.h

 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _XT_HELPER_H
#define _XT_HELPER_H

struct xt_helper_info {
	int invert;
	char name[30];
};
#endif /* _XT_HELPER_H */