ref: 43de7b8419fa3582af6df803473ef1bde2ce5c23
dir: /os/boot/arm1110/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);