DIO__GetStatus (ul_pbar_dio)

 *  Synopsis:
 *    #include <ul_pbar_dio:dio.h>
 *
 *    void DIO__GetStatus( int *requests, int *errors,
 *			   int *retries, float *percentErrors )
 *
 *  Function intent:
 *    DIO__GetStatus() returns DIO I/O performance statistics including the
 *    total number of DIO I/O requests, ACNET I/O errors, error retries and the
 *    error rate in percent.
 *  Function parameters:
 *    int	*requests	the total number of DIO I/O requests
 *    int	*errors		the number of ACNET I/O errors
 *    int	*retries	the number of retries
 *    float	*percentErrors	errors / requests * 100
 *  Function return value:
 *    void