ref: 9e0a5c0c9bfcb4fe6b4b91149ffff93f3a9e8766 dir: /src/timefuncs.h/
#pragma once double sec_realtime(void); uint64_t nanosec_monotonic(void); void timestring(double s, char *buf, int sz); double parsetime(const char *s); void sleep_ms(int ms);