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/*------------------------------------------------------------------------------
* vt.h : header file for virtual console
*
* Copyright (C) 2015 by T.TAKASU, All rights reserved.
*
* version : $Revision:$ $Date:$
* history : 2015/01/11 1.0 separated from rtkrcv.c
*-----------------------------------------------------------------------------*/
#ifndef VT_H
#define VT_H
#include <termios.h>
#include "rtklib.h"
#define MAXBUFF 4096 /* size of line buffer */
#define MAXHIST 256 /* size of history buffer */
/* type definitions ----------------------------------------------------------*/
typedef struct vt_tag { /* virtual console type */
int state; /* state(0:close,1:open) */
int type; /* type (0:stdio,1:device,2:telnet) */
int in,out; /* input/output file descriptor */
int n,nesc; /* number of line buffer/escape */
int cur; /* cursor position */
int cur_h; /* current history */
int brk; /* break status */
struct termios tio; /* original terminal attribute */
char buff[MAXBUFF]; /* line buffer */
char esc[8]; /* escape buffer */
char *hist[MAXHIST]; /* history buffer */
FILE *logfp; /* log file pointer */
} vt_t;
/* function prototypes -------------------------------------------------------*/
extern int vt_open(vt_t *vt, int port, const char *dev);
extern void vt_close(vt_t *vt);
extern int vt_getc(vt_t *vt, char *c);
extern int vt_gets(vt_t *vt, char *buff, int n);
extern int vt_putc(vt_t *vt, char c);
extern int vt_puts(vt_t *vt, const char *buff);
extern int vt_printf(vt_t *vt, const char *format, ...);
extern int vt_chkbrk(vt_t *vt);
extern int vt_openlog(vt_t *vt, const char *file);
extern void vt_closelog(vt_t *vt);
#endif /* VT_H */
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