#ifndef foomodemhfoo
#define foomodemhfoo

enum modem_state { MODEM_STATE_DISABLED, MODEM_STATE_INIT, MODEM_STATE_AUDIO };

struct modem {
    char *dev;
    int fd;
    enum modem_state state;
};

struct modem *modem_open(const char *dev);
void modem_close(struct modem *m);

#endif