#define ITIMER_REAL 0
#define ITIMER_PROF 1
+/* MinGW64 defines 'struct itimerval' and _TIMESPEC_DEFINED in sys/types.h. */
+#ifndef _TIMESPEC_DEFINED
struct itimerval
{
struct timeval it_interval; /* timer interval */
struct timeval it_value; /* current value */
};
+#endif
int getitimer (int, struct itimerval *);
int setitimer (int, struct itimerval *, struct itimerval *);