/9pm/src/libc/port/msec.c - Plan 9 from User Space

Plan 9 from User Space's /usr/local/plan9/9pm/src/libc/port/msec.c

#include <9pm/u.h>
#include <9pm/libc.h>

ulong
msec(void)
{
	static vlong first;

	if(first == 0)
		first = nsec();

	return (nsec()-first)/1000000;
}