ref: c02306479fb810515b4905e6df7ad2f74b8e7173
dir: /os/boot/pc/devbios.h/
typedef uvlong Devbytes, Devsects; typedef struct Biosdrive Biosdrive; /* 1 drive -> ndevs */ typedef struct Biosdev Biosdev; struct Biosdrive { int ndevs; }; struct Biosdev { Devbytes size; Devbytes offset; uchar id; char type; }; int biosboot(int dev, char *file, Boot *b); void* biosgetfspart(int i, char *name, int chatty); void biosinitdev(int i, char *name); int biosinit(void); void biosprintbootdevs(int dev); void biosprintdevs(int i); long biosread(Fs *fs, void *a, long n);