ref: 2db3642b8d3b871c6f9d1f4e3204b2f44fc4b79f dir: /sys/src/libc/9sys/time.c/
#include <u.h> #include <libc.h> long time(long *tp) { vlong t; t = nsec()/1000000000LL; if(tp != nil) *tp = t; return t; }