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#ifndef CALLBACK_H
#define CALLBACK_H
typedef struct host_callback_struct host_callback;
#define MAX_CALLBACK_FDS 10
struct host_callback_struct
{
int (*close) PARAMS ((host_callback *,int));
int (*get_errno) PARAMS ((host_callback *));
int (*isatty) PARAMS ((host_callback *, int));
int (*lseek) PARAMS ((host_callback *, int, long , int));
int (*open) PARAMS ((host_callback *, const char*, int mode));
int (*read) PARAMS ((host_callback *,int, char *, int));
int (*read_stdin) PARAMS (( host_callback *, char *, int));
int (*rename) PARAMS ((host_callback *, const char *, const char *));
int (*system) PARAMS ((host_callback *, const char *));
long (*time) PARAMS ((host_callback *, long *));
int (*unlink) PARAMS ((host_callback *, const char *));
int (*write) PARAMS ((host_callback *,int, const char *, int));
int (*write_stdout) PARAMS ((host_callback *, const char *, int));
/* Used when the target has gone away, so we can close open
handles and free memory etc etc. */
int (*shutdown) PARAMS ((host_callback *));
int (*init) PARAMS ((host_callback *));
/* Talk to the user on a console. */
void (*printf_filtered) PARAMS ((host_callback *, const char *, ...));
int last_errno; /* host format */
int fdmap[MAX_CALLBACK_FDS];
char fdopen[MAX_CALLBACK_FDS];
char alwaysopen[MAX_CALLBACK_FDS];
};
#endif
extern host_callback default_callback;
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