The C and C++ Include Header Files

/usr/include/netax25/ax25.h


$ cat -n /usr/include/netax25/ax25.h

     1	/* Copyright (C) 1997-2024 Free Software Foundation, Inc.
     2	   This file is part of the GNU C Library.
     3	
     4	   The GNU C Library is free software; you can redistribute it and/or
     5	   modify it under the terms of the GNU Lesser General Public
     6	   License as published by the Free Software Foundation; either
     7	   version 2.1 of the License, or (at your option) any later version.
     8	
     9	   The GNU C Library is distributed in the hope that it will be useful,
    10	   but WITHOUT ANY WARRANTY; without even the implied warranty of
    11	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    12	   Lesser General Public License for more details.
    13	
    14	   You should have received a copy of the GNU Lesser General Public
    15	   License along with the GNU C Library; if not, see
    16	   <https://www.gnu.org/licenses/>.  */
    17	
    18	#ifndef _NETAX25_AX25_H
    19	#define _NETAX25_AX25_H	1
    20	
    21	#include <features.h>
    22	#include <bits/sockaddr.h>
    23	
    24	/* Setsockoptions(2) level.  Thanks to BSD these must match IPPROTO_xxx.  */
    25	#define SOL_AX25	257
    26	
    27	/* AX.25 flags: */
    28	#define AX25_WINDOW	1
    29	#define AX25_T1		2
    30	#define AX25_T2		5
    31	#define AX25_T3		4
    32	#define AX25_N2		3
    33	#define AX25_BACKOFF	6
    34	#define AX25_EXTSEQ	7
    35	#define AX25_PIDINCL	8
    36	#define AX25_IDLE	9
    37	#define	AX25_PACLEN	10
    38	#define AX25_IPMAXQUEUE 11
    39	#define AX25_IAMDIGI	12
    40	#define AX25_KILL	99
    41	
    42	/* AX.25 socket ioctls: */
    43	#define SIOCAX25GETUID		(SIOCPROTOPRIVATE)
    44	#define SIOCAX25ADDUID		(SIOCPROTOPRIVATE+1)
    45	#define SIOCAX25DELUID		(SIOCPROTOPRIVATE+2)
    46	#define SIOCAX25NOUID		(SIOCPROTOPRIVATE+3)
    47	#define SIOCAX25BPQADDR		(SIOCPROTOPRIVATE+4)
    48	#define SIOCAX25GETPARMS	(SIOCPROTOPRIVATE+5)
    49	#define SIOCAX25SETPARMS	(SIOCPROTOPRIVATE+6)
    50	#define SIOCAX25OPTRT		(SIOCPROTOPRIVATE+7)
    51	#define SIOCAX25CTLCON		(SIOCPROTOPRIVATE+8)
    52	#define SIOCAX25GETINFO		(SIOCPROTOPRIVATE+9)
    53	#define SIOCAX25ADDFWD		(SIOCPROTOPRIVATE+10)
    54	#define SIOCAX25DELFWD		(SIOCPROTOPRIVATE+11)
    55	
    56	/* unknown: */
    57	#define AX25_NOUID_DEFAULT	0
    58	#define AX25_NOUID_BLOCK	1
    59	#define AX25_SET_RT_IPMODE	2
    60	
    61	/* Digipeating flags: */
    62	#define AX25_DIGI_INBAND	0x01	/* Allow digipeating within port */
    63	#define AX25_DIGI_XBAND		0x02	/* Allow digipeating across ports */
    64	
    65	/* Maximum number of digipeaters: */
    66	#define AX25_MAX_DIGIS 8
    67	
    68	
    69	typedef struct
    70	  {
    71	    char ax25_call[7];		/* 6 call + SSID (shifted ascii) */
    72	  }
    73	ax25_address;
    74	
    75	struct sockaddr_ax25
    76	  {
    77	    sa_family_t sax25_family;
    78	    ax25_address sax25_call;
    79	    int sax25_ndigis;
    80	  };
    81	
    82	/*
    83	 * The sockaddr struct with the digipeater addresses:
    84	 */
    85	struct full_sockaddr_ax25
    86	  {
    87	    struct sockaddr_ax25 fsa_ax25;
    88	    ax25_address fsa_digipeater[AX25_MAX_DIGIS];
    89	  };
    90	#define sax25_uid	sax25_ndigis
    91	
    92	struct ax25_routes_struct
    93	  {
    94	    ax25_address port_addr;
    95	    ax25_address dest_addr;
    96	    unsigned char digi_count;
    97	    ax25_address digi_addr[AX25_MAX_DIGIS];
    98	  };
    99	
   100	/* The AX.25 ioctl structure: */
   101	struct ax25_ctl_struct
   102	  {
   103	    ax25_address port_addr;
   104	    ax25_address source_addr;
   105	    ax25_address dest_addr;
   106	    unsigned int cmd;
   107	    unsigned long arg;
   108	    unsigned char digi_count;
   109	    ax25_address digi_addr[AX25_MAX_DIGIS];
   110	  };
   111	
   112	struct ax25_info_struct
   113	  {
   114	    unsigned int  n2, n2count;
   115	    unsigned int t1, t1timer;
   116	    unsigned int t2, t2timer;
   117	    unsigned int t3, t3timer;
   118	    unsigned int idle, idletimer;
   119	    unsigned int state;
   120	    unsigned int rcv_q, snd_q;
   121	  };
   122	
   123	struct ax25_fwd_struct
   124	  {
   125	    ax25_address port_from;
   126	    ax25_address port_to;
   127	  };
   128	
   129	/* AX.25 route structure: */
   130	struct ax25_route_opt_struct
   131	  {
   132	    ax25_address port_addr;
   133	    ax25_address dest_addr;
   134	    int cmd;
   135	    int arg;
   136	  };
   137	
   138	/* AX.25 BPQ stuff: */
   139	struct ax25_bpqaddr_struct
   140	  {
   141	    char dev[16];
   142	    ax25_address addr;
   143	  };
   144	
   145	/* Definitions for the AX.25 `values' fields: */
   146	#define	AX25_VALUES_IPDEFMODE	0	/* 'D'=DG 'V'=VC */
   147	#define	AX25_VALUES_AXDEFMODE	1	/* 8=Normal 128=Extended Seq Nos */
   148	#define	AX25_VALUES_NETROM	2	/* Allow NET/ROM  - 0=No 1=Yes */
   149	#define	AX25_VALUES_TEXT	3	/* Allow PID=Text - 0=No 1=Yes */
   150	#define	AX25_VALUES_BACKOFF	4	/* 'E'=Exponential 'L'=Linear */
   151	#define	AX25_VALUES_CONMODE	5	/* Allow connected modes - 0=No 1=Yes */
   152	#define	AX25_VALUES_WINDOW	6	/* Default window size for standard AX.25 */
   153	#define	AX25_VALUES_EWINDOW	7	/* Default window size for extended AX.25 */
   154	#define	AX25_VALUES_T1		8	/* Default T1 timeout value */
   155	#define	AX25_VALUES_T2		9	/* Default T2 timeout value */
   156	#define	AX25_VALUES_T3		10	/* Default T3 timeout value */
   157	#define	AX25_VALUES_N2		11	/* Default N2 value */
   158	#define	AX25_VALUES_DIGI	12	/* Digipeat mode */
   159	#define AX25_VALUES_IDLE	13	/* mode vc idle timer */
   160	#define AX25_VALUES_PACLEN	14	/* AX.25 MTU */
   161	#define AX25_VALUES_IPMAXQUEUE  15	/* Maximum number of buffers enqueued */
   162	#define	AX25_MAX_VALUES		20
   163	
   164	struct ax25_parms_struct
   165	  {
   166	    ax25_address port_addr;
   167	    unsigned short values[AX25_MAX_VALUES];
   168	  };
   169	
   170	#endif /* netax25/ax25.h */