ref: 1d563ec8e9a5a485597a9f9c24d1f5a698f2c8a3
dir: /sys/src/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);