ref: e81c54ba2ecc673a4d5f8aed0e9b52841fe07b0d
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);