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><A
NAME="AEN13062">Functions Implemented</H2
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><TD
><PRE
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>int dup( int fd );
int dup2( int fd, int fd2 );
int close(int fd);
ssize&#0095;t   read(int fd, void &#0042;buf, size&#0095;t nbyte);
ssize&#0095;t   write(int fd, const void &#0042;buf, size&#0095;t nbyte);
int fcntl( int fd, int cmd, ... );
off&#0095;t lseek(int fd, off&#0095;t offset, int whence);
int fsync( int fd );
int fdatasync( int fd );</PRE
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><A
NAME="AEN13065">Functions Omitted</H2
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WIDTH="70%"
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><TD
><PRE
CLASS="SCREEN"
>int pipe( int fildes&#0091;2&#0093; );
int aio&#0095;read( struct aiocb &#0042;aiocbp );                               &#0047;&#0047; TBA
int aio&#0095;write( struct aiocb &#0042;aiocbp );                              &#0047;&#0047; TBA
int lio&#0095;listio( int mode, struct aiocb &#0042;const list&#0091;&#0093;,
                int nent, struct sigevent &#0042;sig);          &#0047;&#0047; TBA
int aio&#0095;error( struct aiocb &#0042;aiocbp );                              &#0047;&#0047; TBA
int aio&#0095;return( struct aiocb &#0042;aiocbp );                             &#0047;&#0047; TBA
int aio&#0095;cancel( int fd, struct aiocb &#0042;aiocbp );                     &#0047;&#0047; TBA
int aio&#0095;suspend( const struct aiocb &#0042;const list&#0091;&#0093;,
                 int nent, const struct timespec &#0042;timeout );      &#0047;&#0047; TBA
int aio&#0095;fsync( int op, struct aiocb &#0042;aiocbp );
&#0047;&#0047; TBA</PRE
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CLASS="SECT2"
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CLASS="SECT2"
><A
NAME="AEN13068">Notes</H2
><P
></P
><UL
><LI
><P
>           Only the <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>F&#0095;DUPFD</I
></SPAN
> command
            of <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>fcntl()</I
></SPAN
> is currently implemented.
            </P
></LI
><LI
><P
>           Most of the functionality of these functions depends on
            the underlying filesystem.
            </P
></LI
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1	28	unneback	`<!-- Copyright (C) 2003 Red Hat, Inc. -->`
2			`<!-- This material may be distributed only subject to the terms -->`
3			`<!-- and conditions set forth in the Open Publication License, v1.0 -->`
4			`<!-- or later (the latest version is presently available at -->`
5			`<!-- http://www.opencontent.org/openpub/). -->`
6			`<!-- Distribution of the work or derivative of the work in any -->`
7			`<!-- standard (paper) book form is prohibited unless prior -->`
8			`<!-- permission is obtained from the copyright holder. -->`
9			`<HTML`
10			`><HEAD`
11			`><TITLE`
12			`>Input and Output [POSIX Section 6]</TITLE`
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14			`<META`
15			`NAME="GENERATOR"`
16			`CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+`
17			`"><LINK`
18			`REL="HOME"`
19			`TITLE="eCos Reference Manual"`
20			`HREF="ecos-ref.html"><LINK`
21			`REL="UP"`
22			`TITLE="POSIX Standard Support"`
23			`HREF="posix-standard-support.html"><LINK`
24			`REL="PREVIOUS"`
25			`TITLE="Files and Directories [POSIX Section 5]"`
26			`HREF="posix-files-and-directories.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="Device and Class Specific Functions [POSIX Section 7]"`
29			`HREF="posix-device-and-class-specific-functions.html"></HEAD`
30			`><BODY`
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44			`CELLSPACING="0"`
45			`><TR`
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49			`>eCos Reference Manual</TH`
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53			`WIDTH="10%"`
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55			`VALIGN="bottom"`
56			`><A`
57			`HREF="posix-files-and-directories.html"`
58			`ACCESSKEY="P"`
59			`>Prev</A`
60			`></TD`
61			`><TD`
62			`WIDTH="80%"`
63			`ALIGN="center"`
64			`VALIGN="bottom"`
65			`>Chapter 31. POSIX Standard Support</TD`
66			`><TD`
67			`WIDTH="10%"`
68			`ALIGN="right"`
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80			`><DIV`
81			`CLASS="SECT1"`
82			`><H1`
83			`CLASS="SECT1"`
84			`><A`
85			`NAME="POSIX-INPUT-AND-OUTPUT">Input and Output [POSIX Section 6]</H1`
86			`><DIV`
87			`CLASS="SECT2"`
88			`><H2`
89			`CLASS="SECT2"`
90			`><A`
91			`NAME="AEN13062">Functions Implemented</H2`
92			`><TABLE`
93			`BORDER="5"`
94			`BGCOLOR="#E0E0F0"`
95			`WIDTH="70%"`
96			`><TR`
97			`><TD`
98			`><PRE`
99			`CLASS="SCREEN"`
100			`>int dup( int fd );`
101			`int dup2( int fd, int fd2 );`
102			`int close(int fd);`
103			`ssize_t read(int fd, void *buf, size_t nbyte);`
104			`ssize_t write(int fd, const void *buf, size_t nbyte);`
105			`int fcntl( int fd, int cmd, ... );`
106			`off_t lseek(int fd, off_t offset, int whence);`
107			`int fsync( int fd );`
108			`int fdatasync( int fd );</PRE`
109			`></TD`
110			`></TR`
111			`></TABLE`
112			`></DIV`
113			`><DIV`
114			`CLASS="SECT2"`
115			`><H2`
116			`CLASS="SECT2"`
117			`><A`
118			`NAME="AEN13065">Functions Omitted</H2`
119			`><TABLE`
120			`BORDER="5"`
121			`BGCOLOR="#E0E0F0"`
122			`WIDTH="70%"`
123			`><TR`
124			`><TD`
125			`><PRE`
126			`CLASS="SCREEN"`
127			`>int pipe( int fildes[2] );`
128			`int aio_read( struct aiocb *aiocbp ); // TBA`
129			`int aio_write( struct aiocb *aiocbp ); // TBA`
130			`int lio_listio( int mode, struct aiocb *const list[],`
131			`int nent, struct sigevent *sig); // TBA`
132			`int aio_error( struct aiocb *aiocbp ); // TBA`
133			`int aio_return( struct aiocb *aiocbp ); // TBA`
134			`int aio_cancel( int fd, struct aiocb *aiocbp ); // TBA`
135			`int aio_suspend( const struct aiocb *const list[],`
136			`int nent, const struct timespec *timeout ); // TBA`
137			`int aio_fsync( int op, struct aiocb *aiocbp );`
138			`// TBA</PRE`
139			`></TD`
140			`></TR`
141			`></TABLE`
142			`></DIV`
143			`><DIV`
144			`CLASS="SECT2"`
145			`><H2`
146			`CLASS="SECT2"`
147			`><A`
148			`NAME="AEN13068">Notes</H2`
149			`><P`
150			`></P`
151			`><UL`
152			`><LI`
153			`><P`
154			`> Only the <SPAN`
155			`CLASS="emphasis"`
156			`><I`
157			`CLASS="EMPHASIS"`
158			`>F_DUPFD</I`
159			`></SPAN`
160			`> command`
161			`of <SPAN`
162			`CLASS="emphasis"`
163			`><I`
164			`CLASS="EMPHASIS"`
165			`>fcntl()</I`
166			`></SPAN`
167			`> is currently implemented.`
168			`</P`
169			`></LI`
170			`><LI`
171			`><P`
172			`> Most of the functionality of these functions depends on`
173			`the underlying filesystem.`
174			`</P`
175			`></LI`
176			`></UL`
177			`></DIV`
178			`></DIV`
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191			`WIDTH="33%"`
192			`ALIGN="left"`
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194			`><A`
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196			`ACCESSKEY="P"`
197			`>Prev</A`
198			`></TD`
199			`><TD`
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206			`>Home</A`
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215			`>Next</A`
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218			`><TR`
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223			`>Files and Directories [POSIX Section 5]</TD`
224			`><TD`
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228			`><A`
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231			`>Up</A`
232			`></TD`
233			`><TD`
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236			`VALIGN="top"`
237			`>Device and Class Specific Functions [POSIX Section 7]</TD`
238			`></TR`
239			`></TABLE`
240			`></DIV`
241			`></BODY`
242			`></HTML`
243			`>`

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