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openairinterface5g/openair3/NAS/COMMON/UTIL/device.h
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C

/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*****************************************************************************
Source device.h
Version 0.1
Date 2012/11/29
Product NAS stack
Subsystem Utilities
Author Frederic Maurel
Description Implements Linux/UNIX I/O device handlers
*****************************************************************************/
#ifndef __DEVICE_H__
#define __DEVICE_H__
#include <sys/types.h>
/****************************************************************************/
/********************* G L O B A L C O N S T A N T S *******************/
/****************************************************************************/
/****************************************************************************/
/************************ G L O B A L T Y P E S ************************/
/****************************************************************************/
/* Type of the connection endpoint */
#define DEVICE 3
/* Hidden structure that handles device data */
typedef struct device_id_s device_id_t;
/****************************************************************************/
/******************** G L O B A L V A R I A B L E S ********************/
/****************************************************************************/
/****************************************************************************/
/****************** E X P O R T E D F U N C T I O N S ******************/
/****************************************************************************/
void* device_open(int type, const char* devname, const char* params);
int device_get_fd(const void* id);
ssize_t device_read(void* id, char* buffer, size_t length);
ssize_t device_write(const void* id, const char* buffer, size_t length);
void device_close(void* id);
#endif /* __DEVICE_H__*/