__isleap          112 lib/nstrftime.c #ifndef __isleap
__isleap         1266 lib/nstrftime.c                 days = iso_week_days (tp->tm_yday + (365 + __isleap (year - 1)),
__isleap         1271 lib/nstrftime.c                 int d = iso_week_days (tp->tm_yday - (365 + __isleap (year)),