#include <stdio.h>
-#ifdef __MINGW32__
-// This is broken, but allows the file to compile without a POSIX
-// environment.
-static unsigned int sleep(unsigned int secs) { return 0; }
+#ifdef _WIN32
+#include <windows.h>
+#define sleep(x) Sleep(x*1000)
#else
#include <unistd.h> // sleep()
#endif