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#ifndef AUCAT_H
#define AUCAT_H
#include "amsg.h"
struct aucat {
int fd; /* socket */
struct amsg rmsg, wmsg; /* temporary messages */
size_t wtodo, rtodo; /* bytes to complete the packet */
#define RSTATE_MSG 0 /* message being received */
#define RSTATE_DATA 1 /* data being received */
unsigned rstate; /* one of above */
#define WSTATE_IDLE 2 /* nothing to do */
#define WSTATE_MSG 3 /* message being transferred */
#define WSTATE_DATA 4 /* data being transferred */
unsigned wstate; /* one of above */
unsigned maxwrite; /* bytes we're allowed to write */
};
int _aucat_rmsg(struct aucat *, int *);
int _aucat_wmsg(struct aucat *, int *);
size_t _aucat_rdata(struct aucat *, void *, size_t, int *);
size_t _aucat_wdata(struct aucat *, const void *, size_t, unsigned, int *);
int _aucat_open(struct aucat *, const char *, unsigned);
void _aucat_close(struct aucat *, int);
int _aucat_pollfd(struct aucat *, struct pollfd *, int);
int _aucat_revents(struct aucat *, struct pollfd *);
int _aucat_setfl(struct aucat *, int, int *);
#endif /* !defined(AUCAT_H) */
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