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- /****************************************************************************
- *
- * $Source: /unixb/home/unixlib/source/unixlib37/src/clib/sys/h/RCS/uio,v $
- * $Date: 1996/10/30 22:04:51 $
- * $Revision: 1.1 $
- * $State: Rel $
- * $Author: unixlib $
- *
- * $Log: uio,v $
- * Revision 1.1 1996/10/30 22:04:51 unixlib
- * Initial revision
- *
- ***************************************************************************/
-
- #ifndef __SYS_UIO_H
- #define __SYS_UIO_H 1
-
- #ifndef __STDDEF_H
- #include <stddef.h>
- #endif
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /* Structure describing a section of memory. */
-
- struct iovec
- {
- /* Starting address. */
- void *iov_base;
- /* Length in bytes. */
- size_t iov_len;
- };
-
- /* Read data from file descriptor FD, and put the result in the
- buffers described by VECTOR, which is a vector of COUNT `struct iovec's.
- The buffers are filled in the order specified. */
- int readv (int __fd, const struct iovec * __vector, size_t __count);
-
- /* Write data pointed by the buffers described by VECTOR, which
- is a vector of COUNT `struct iovec's, to file descriptor FD.
- The data is written in the order specified. */
- int writev (int __fd, const struct iovec * __vector, size_t __count);
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif
-