133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/******************************************************************************
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*
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* (c) Copyright 1998, University of Karlstad.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Please report any bugs you find in this code or any improvements to:
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*
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* Hans Hedbom, Dept. of Computer Science,
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* University of Karlstad, Sweden.
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*
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* Phone: +46 54 838157
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* E-mail: Hans.Hedbom@hks.se
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*
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* ============================================================================
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*
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* FILE:
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*
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* sockets.h [ the Data Communication I course programming project ]
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*
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* AUTHORS:
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*
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* Jonny Wiederholm
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* E-mail: fr7wied@cse.hks.se or
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* jonnwied@hks.se
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*
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* Per-Ola Gustafsson
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* E-mail: fr7gust@cse.hks.se
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*
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* CREATION DATE:
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*
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* Jan, 06, 1998
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*
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* DESCRIPTION:
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*
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* Includes constants, types and declarations of functions needed to create
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* and connect sockets in the example implementation of the Data Communication
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* I course programming project.
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*
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* MODIFICATIONS: Date Changes
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* ----------------------------------------------------------------------------
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*
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*/
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#ifndef _SOCKETS_H /* Avoid multiple copies of this file. */
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#define _SOCKETS_H
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#ifdef __cplusplus /* Make this file possible to use in C++ code. */
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extern "C" {
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#endif
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/******************************************************************************
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* INCLUDE FILES
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*/
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#include "systems.h"
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#include "udefs.h"
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/******************************************************************************
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* DEFINE CONSTANTS
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*/
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#if defined (_AIX) || defined (__linux__)
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/* Communication semantics. */
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#define SOCK_STREAM 1 /* Stream socket. */
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#elif defined (sun)
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#define SOCK_STREAM 2
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#endif
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/* Communication domains. */
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#define AF_UNIX 1 /* Local to host (pipes, portals). */
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#define AF_INET 2 /* Internetwork: UDP, TCP, etc. */
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/******************************************************************************
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* DEFINE TYPES
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*/
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#if defined (__linux__) || defined (sun)
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/* Structure used by kernel to store most addresses. */
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struct sockaddr {
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unsigned short int sa_family; /* Address family AF_xxx. */
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char sa_data[14]; /* 14 bytes of protocol address. */
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};
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#elif defined (_AIX)
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struct sockaddr {
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unsigned char sa_len; /* Total length. */
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unsigned char sa_family; /* Address family AF_xxx. */
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char sa_data[14]; /* 14 bytes of protocol address. */
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};
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#endif /* defined (__linux__) || defined (sun) */
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/*****************************************************************************
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* DECLARE FUNCTIONS
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*/
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/* See function definitions for documentation. */
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extern int CreateSocket __P((int domain, int type, int protocol));
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extern int BindSocket __P((int sockfd, struct sockaddr *name, int namelen));
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extern int ConnectSocket __P((int sockfd, struct sockaddr *name, int namelen));
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extern int ListenforConnection __P((int sockfd, int limit));
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extern int AcceptConnection __P((int sockfd));
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/******************************************************************************
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* END
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SOCKETS_H */
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