#include <u.h>#include <mingw32.h>#include <time.h>#define NOPLAN9DEFINES#include <libc.h>   /* * Definition of gettimeofday by Wu Yongwei, taken from * see http://mywebpage.netscape.com/yongweiwu/timeval.h.txt * In the public domain. */ #define EPOCHFILETIME (116444736000000000LL)  static intgettimeofday(struct timeval *tv){	FILETIME	ft;	LARGE_INTEGER li;	__int64	t;		if (tv) {		GetSystemTimeAsFileTime(&ft);		li.LowPart  = ft.dwLowDateTime;		li.HighPart = ft.dwHighDateTime;		t = li.QuadPart;		/* In 100-nanosecond intervals */		t -= EPOCHFILETIME;	/* Offset to the Epoch time */		t /= 10;				/* In microseconds */		tv->tv_sec = (long)(t / 1000000);		tv->tv_usec = (long)(t % 1000000);	}		return 0;}  longp9times(long *t){	/* BUG */	return -1;} doublep9cputime(void){	long t[4];	double d; 	if(p9times(t) < 0)		return -1.0; 	d = (double)t[0]+(double)t[1]+(double)t[2]+(double)t[3];	return d/1000.0;} vlongp9nsec(void){	struct timeval tv; 	if(gettimeofday(&tv) < 0)		return -1; 	return (vlong)tv.tv_sec*1000*1000*1000 + tv.tv_usec*1000;} longp9time(long *tt){	long t;	t = time(0);	if(tt)		*tt = t;	return t;}