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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id="iovec">
<refmeta>
<refentrytitle>iovec</refentrytitle>
<manvolnum>9S</manvolnum>
</refmeta>
<refnamediv>
<refname>iovec</refname>
<refpurpose>data storage structure for I/O using uio</refpurpose>
</refnamediv>
<refsynopsisdiv>
<synopsis>
#include <sys/uio.h>
</synopsis>
</refsynopsisdiv>
<refsect1><title>Interface Level</title>
<para>
Architecture independent level 1 (DDI/DKI).
</para>
</refsect1>
<refsect1><title>Description</title>
<para>
An <structname>iovec</structname> structure describes a data
storage area for transfer in a
<citerefentry><refentrytitle>uio</refentrytitle>
<manvolnum>9S</manvolnum>
</citerefentry>
structure. Conceptually,
it may be thought of as a base address and length specification.
</para>
</refsect1>
<refsect1><title>Structure Members</title>
<programlisting>
caddr_t iov_base; /* base address of the data storage area */
/* represented by the iovec structure */
int iov_len; /* size of the data storage area in bytes */
</programlisting>
<para>…</para>
</refsect1>
</refentry>
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