#ifndef UIOBASIC_H
#define UIOBASIC_H

#include <sys/types.h>
#include <sys/file.h>
#include <sys/stat.h>

/*
 * Descriptors
 */
typedef int XR_Fildes; 
#define XR_nullFildes ((XR_Fildes)(-1))

/*
 * Non-Unix-like I/O
 */

typedef unsigned XR_FDKind;  
/* XR_FDKind only for compatibility -- it is ignored by the implementation */

typedef int XR_UIOBlocking;
/* XR_UIOBlocking only for compatibility -- it is ignored by the implementation */

#   define XR_FD_KIND_STD		((XR_FDKind)0)
#   define XR_FD_KIND_LAST		((XR_FDKind)(0))
/* only standard Unix file descriptors are supported */

#endif