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/* libgps.h -- prototypes for internals of the libgps library */
/*
* This file is Copyright (c) 2010 by the GPSD project
* BSD terms apply: see the file COPYING in the distribution root for details.
*/
#ifndef _GPSD_LIBGPS_H_
#define _GPSD_LIBGPS_H_
/* values to poke in the gps_fd member if we get it via something special */
#define SHM_PSEUDO_FD -1
#define DBUS_PSEUDO_FD -2
#include "compiler.h"
#ifdef __cplusplus
extern "C" {
#endif
extern int gps_sock_open(/*@null@*/const char *, /*@null@*/const char *,
/*@out@*/struct gps_data_t *);
extern int gps_sock_close(struct gps_data_t *);
extern int gps_sock_send(struct gps_data_t *, const char *);
extern int gps_sock_read(/*@out@*/struct gps_data_t *);
extern bool gps_sock_waiting(const struct gps_data_t *, int);
extern int gps_sock_stream(struct gps_data_t *, unsigned int, /*@null@*/void *);
extern const char /*@observer@*/ *gps_sock_data(const struct gps_data_t *);
extern int gps_sock_mainloop(struct gps_data_t *, int,
void (*)(struct gps_data_t *));
extern int gps_shm_open(/*@out@*/struct gps_data_t *);
extern void gps_shm_close(struct gps_data_t *);
extern bool gps_shm_waiting(const struct gps_data_t *, int);
extern int gps_shm_read(struct gps_data_t *);
extern int gps_shm_mainloop(struct gps_data_t *, int,
void (*)(struct gps_data_t *));
extern int gps_dbus_open(struct gps_data_t *);
extern int gps_dbus_mainloop(struct gps_data_t *, int,
void (*)(struct gps_data_t *));
extern int json_ais_read(const char *, char *, size_t, struct ais_t *,
/*@null@*/const char **);
#ifdef __cplusplus
}
#endif
#define PRIVATE(gpsdata) ((struct privdata_t *)(gpsdata)->privdata)
#endif /* _GPSD_LIBGPS_H_ */
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