768 delta_nonneg(struct tm *newp, struct tm *oldp)  in delta_nonneg()  argument
771 	int cycles = (newp->tm_year - oldy) / YEARSPERREPEAT;  in delta_nonneg()
774 	for ( ; tmy < newp->tm_year; ++tmy)  in delta_nonneg()
776 	result += newp->tm_yday - oldp->tm_yday;  in delta_nonneg()
778 	result += newp->tm_hour - oldp->tm_hour;  in delta_nonneg()
780 	result += newp->tm_min - oldp->tm_min;  in delta_nonneg()
782 	result += newp->tm_sec - oldp->tm_sec;  in delta_nonneg()
787 delta(struct tm *newp, struct tm *oldp)  in delta()  argument
789   return (newp->tm_year < oldp->tm_year  in delta()
790 	  ? -delta_nonneg(oldp, newp)  in delta()
791 	  : delta_nonneg(newp, oldp));  in delta()