ref: 67970c4c6bdaed7fb0b6e6a22f77f23a7acd2f0a 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; }