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#ifndef foomodemhfoo
#define foomodemhfoo
enum modem_state { MODEM_STATE_INIT, MODEM_STATE_AUDIO };
struct modem {
char *dev;
int fd;
char *ouput_buf;
size_t output_buf_len;
char *input_buf;
size_t input_buf_len;
enum modem_state state;
};
struct modem *modem_open(const char *dev);
void modem_close(struct modem *m);
#endif
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