✏ EDIT: iucv.h

/* Copyright (C) 2007-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#ifndef __NETIUCV_IUCV_H
#define __NETIUCV_IUCV_H	1

#include <features.h>
#include <bits/sockaddr.h>

__BEGIN_DECLS

struct sockaddr_iucv
  {
    __SOCKADDR_COMMON (siucv_);
    unsigned short	siucv_port;		/* Reserved */
    unsigned int	siucv_addr;		/* Reserved */
    char		siucv_nodeid[8];	/* Reserved */
    char		siucv_user_id[8];	/* Guest User Id */
    char		siucv_name[8];		/* Application Name */
  };

__END_DECLS

#define SOL_IUCV        277			/* IUCV level */

/* IUCV socket options (SOL_IUCV) */
#define SO_IPRMDATA_MSG	0x0080			/* Send/recv IPRM_DATA msgs */
#define SO_MSGLIMIT	0x1000			/* Get/set IUCV MSGLIMIT */
#define SO_MSGSIZE	0x0800			/* Get maximum msgsize */

/* IUCV related control messages (scm) */
#define SCM_IUCV_TRGCLS	0x0001			/* Target class control message */

#endif

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