ref: 78e2f69c0d7e4c17227e1ec0545cbb2a0ae1e96e 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; }