// sound.h#include <mico/stream.h>#ifdef _WIN32#include <fstream>#include <iostream>#else#include <fstream.h>#include <iostream.h>#endif#include <stdio.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <unistd.h>#include  <sys/audioio.h> // simple class for sun audio deviceextern int errno;class SunAudio{ public:  int _fd; public:  SunAudio(){}  ~SunAudio(){ close (_fd); }  void open( void ){         _fd = ::open("/dev/audio", O_RDWR | O_NONBLOCK);    static  struct audio_info sound_info;    ioctl(_fd, AUDIO_GETINFO, &sound_info);    sound_info.play.gain = 140;    sound_info.record.gain = 150;    sound_info.play.sample_rate = 8000;    sound_info.record.sample_rate = 8000;    sound_info.play.port = AUDIO_SPEAKER;    sound_info.record.port = AUDIO_LINE_IN;    ioctl(_fd, AUDIO_SETINFO, &sound_info);  }  void write(void *_buf, int _len){  ::write(_fd, _buf, _len ); }  int read(void *_buf, int _len){ return (::read(_fd, _buf, _len) ); }};