ref: c2a5d7e3f28e86aeef1e4e37e2b88e46af90b62c
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);