#ifndef __UIO_LOADED
#define __UIO_LOADED 1
/****************************************************************************
**
**  <uio.h> - definitions for vector I/O operations
**
*****************************************************************************
**  Header introduced by the X/Open CAE Specification, Issue 4, Version 2
*****************************************************************************
**
**  Copyright 2000 Compaq Computer Corporation
**
**  Compaq and the Compaq logo Registered in U.S. Patent and Trademark Office.
**
**  Confidential computer software. Valid license from Compaq required for
**  possession, use or copying. Consistent with FAR 12.211 and 12.212,
**  Commercial Computer Software, Computer Software Documentation, and
**  Technical Data for Commercial Items are licensed to the U.S. Government
**  under vendor's standard commercial license.
**
******************************************************************************
*/

#pragma __nostandard
#include <decc$types.h>

#ifdef __cplusplus
    extern "C" {
#endif

#if __INITIAL_POINTER_SIZE
#   pragma __pointer_size __save
#   pragma __pointer_size 32
#endif


/*
**  All structures should be member aligned on natural boundaries
*/
#pragma __member_alignment __save
#pragma __member_alignment

/*
** Iovec Structure: I/O buffer element for vector I/O operations.
**
** The iovec structure describes one scatter/gather buffer.
** Multiple scatter/gather buffer descriptors are stored as an 
** array of iovec elements. 
*/
#ifdef _XOPEN_SOURCE_EXTENDED
    struct iovec {
            void     *iov_base;    /* A pointer to a buffer. 
                                   */
            __size_t  iov_len;     /* The size of the buffer to which 
                                   ** iov_base points 
                                   */
    };

    struct __Oiovec {
#else
    struct iovec {
#endif
            __caddr_t iov_base;
            int       iov_len;
};
 
#if __CRTL_VER >= 70300000
  __ssize_t writev(int __fildes, const struct iovec *__iov, int __iovcnt);
#endif

/*
**  Restore the users pointer context
*/
#if __INITIAL_POINTER_SIZE
#   pragma __pointer_size __restore
#endif

#ifdef __cplusplus
    }
#endif

#pragma __member_alignment __restore
#pragma __standard
#endif  /* __UIO_LOADED */