ref: b548687a8ed1d0a159c9d3f3f921d93bbb56908e
dir: /os/boot.original/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);