+struct tm* localtime_r(const time_t *timep, struct tm* result);
+char* ctime_r(const time_t *timep, char* result);
+struct tm* gmtime_r(const time_t *timep, struct tm* result);
+char *strtok_r(char *str, const char *sep, char **last);
+#endif
+
+#else
+
+/* unix-only includes */
+#ifndef isnan
+int isnan(double value);
+#endif
+