#include <float.h> /* for _isnan */
#include <io.h> /* for chdir */
-#ifndef __MINGW32__
-#define isnan _isnan
-#define finite _finite
-#define isinf(a) (_fpclass(a) == _FPCLASS_NINF || _fpclass(a) == _FPCLASS_PINF)
-#endif
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);