cleanup

S1/GdCP/days.c

@@ -0,0 +1,12 @@
+int months[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+
+int datum2int(int tag, int monat) {
+  for (int i = 0; i < monat - 1; tag += months[i++]);
+  return tag;
+}
+
+void int2datum(int tage, int *ergebnis) {
+  int m = 0;
+  for (; tage > months[m]; tage -= months[m++]);
+  ergebnis[0] = tage; ergebnis[1] = m+1;
+}