ref: 3b9c359adee736531f204ac53500edf16d7c0fb2
dir: /os/boot/bitsy/fns.h/
/* * functions defined locally */ extern int gunzip(uchar *out, int outn, uchar *in, int inn); extern void delay(int ms); extern void serialputs(char *str, int n); extern void draincache(void);