ref: 1c835e370ff58e58b75c12a9e743a2bb33d84cb0
dir: /sys/src/9/boot/boot.h/
enum { Debug = 0, }; extern char* bootdisk; extern void fatal(char*); extern int readfile(char*, char*, int); extern void run(char*, ...); extern void setenv(char*, char*, int); extern int writefile(char*, char*, int);