calendar_spec_next_usec  343 src/core/timer.c                         r = calendar_spec_next_usec(v->calendar_spec, b, &v->next_elapse);
calendar_spec_next_usec   57 src/shared/calendarspec.h int calendar_spec_next_usec(const CalendarSpec *spec, usec_t usec, usec_t *next);