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#ifndef IO_H
#define IO_H
#include "error.h"
/* interface to send function */
typedef int (*p_send) (
void *ctx, /* context needed by send */
const char *data, /* pointer to buffer with data to send */
size_t count, /* number of bytes to send from buffer */
size_t *sent, /* number of bytes sent uppon return */
int timeout /* number of miliseconds left for transmission */
);
/* interface to recv function */
typedef int (*p_recv) (
void *ctx, /* context needed by recv */
char *data, /* pointer to buffer where data will be writen */
size_t count, /* number of bytes to receive into buffer */
size_t *got, /* number of bytes received uppon return */
int timeout /* number of miliseconds left for transmission */
);
/* IO driver definition */
typedef struct t_io_ {
void *ctx; /* context needed by send/recv */
p_send send; /* send function pointer */
p_recv recv; /* receive function pointer */
} t_io;
typedef t_io *p_io;
void io_init(p_io io, p_send send, p_recv recv, void *ctx);
#endif /* IO_H */
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