ref: 435a0f18d5a5f372b4d5a30953e8d6bfd9cf6d17
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);