return 0;
}
-static bool chain_valid(CalendarComponent *c, int from, int to) {
+_pure_ static bool chain_valid(CalendarComponent *c, int from, int to) {
if (!c)
return true;
return true;
}
-bool calendar_spec_valid(CalendarSpec *c) {
+_pure_ bool calendar_spec_valid(CalendarSpec *c) {
assert(c);
if (c->weekdays_bits > 127)