1 Drive* mmcprobe(Scsi*); 2 char* geterrstr(void); 3 Buf* bopen(long (*)(Buf*, void*, long, long), int, int, int); 4 void bterm(Buf*); 5 long bread(Buf*, void*, long, long); 6 long bwrite(Buf*, void*, long); 7 long bufread(Otrack*, void*, long, long); 8 long bufwrite(Otrack*, void*, long); 9 void *emalloc(ulong); 10