ref: ceeb701a2b93d3f0b96a8b8f945ed5e46d2d0672 dir: /sys/src/ape/lib/ap/gen/clock.c/
#include <time.h> #include <sys/times.h> clock_t clock(void) { struct tms t; if(times(&t) == (clock_t)-1) return (clock_t)-1; return t.tms_utime+t.tms_stime; }