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NAME="POSIX-FILES-AND-DIRECTORIES">Files and Directories &#0091;POSIX Section 5&#0093;</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN13039">Functions Implemented</H2
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>DIR &#0042;opendir( const char &#0042;dirname );
struct dirent &#0042;readdir( DIR &#0042;dirp );
int readdir&#0095;r( DIR &#0042;dirp, struct dirent &#0042;entry,
               struct dirent &#0042;&#0042;result );
void rewinddir( DIR &#0042;dirp );
int closedir( DIR &#0042;dirp );
int chdir( const char &#0042;path );
char &#0042;getcwd( char &#0042;buf, size&#0095;t size );
int open( const char &#0042; path , int oflag , ... );
int creat( const char &#0042; path, mode&#0095;t mode );
int link( const char &#0042;existing, const char &#0042;new );
int mkdir( const char &#0042;path, mode&#0095;t mode );
int unlink( const char &#0042;path );
int rmdir( const char &#0042;path );
int rename( const char &#0042;old, const char &#0042;new );
int stat( const char &#0042;path, struct stat &#0042;buf );
int fstat( int fd, struct stat &#0042;buf );
int access( const char &#0042;path, int amode );
long pathconf(const char &#0042;path, int name);
long fpathconf(int fd, int name);</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN13042">Functions Omitted</H2
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>mode&#0095;t umask( mode&#0095;t cmask );
int mkfifo( const char &#0042;path, mode&#0095;t mode );
int chmod( const char &#0042;path, mode&#0095;t mode );                 &#0047;&#0047; TBA
int fchmod( int fd, mode&#0095;t mode );                                &#0047;&#0047; TBA
int chown( const char &#0042;path, uid&#0095;t owner, gid&#0095;t group );
int utime( const char &#0042;path, const struct utimbuf &#0042;times ); &#0047;&#0047; TBA
int ftruncate( int fd, off&#0095;t length );                          &#0047;&#0047; TBA</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN13045">Notes</H2
><P
></P
><UL
><LI
><P
>           If a call to <TT
CLASS="FUNCTION"
>open()</TT
> or <TT
CLASS="FUNCTION"
>creat()</TT
> supplies
            the third &#0095;mode&#0095; parameter, it will
            currently be ignored.
            </P
></LI
><LI
><P
>           Most of the functionality of these functions depends on
            the underlying filesystem.
            </P
></LI
><LI
><P
>           Currently<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
> access()</I
></SPAN
> only checks the
            <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>F&#0095;OK</I
></SPAN
> mode explicitly, the others are
            all assumed to be true by default.
            </P
></LI
><LI
><P
>           The maximum number of open files allowed is supplied by
            the CYGNUM&#0095;FILEIO&#0095;NFILE option. The maximum number
            of file descriptors is supplied by the CYGNUM&#0095;FILEIO&#0095;NFD
            option.
            </P
></LI
></UL
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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			`>Files and Directories [POSIX Section 5]</TITLE`
13			`><meta name="MSSmartTagsPreventParsing" content="TRUE">`
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="Process Environment [POSIX Section 4]"`
26			`HREF="posix-process-environment.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="Input and Output [POSIX Section 6]"`
29			`HREF="posix-input-and-output.html"></HEAD`
30			`><BODY`
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44			`CELLSPACING="0"`
45			`><TR`
46			`><TH`
47			`COLSPAN="3"`
48			`ALIGN="center"`
49			`>eCos Reference Manual</TH`
50			`></TR`
51			`><TR`
52			`><TD`
53			`WIDTH="10%"`
54			`ALIGN="left"`
55			`VALIGN="bottom"`
56			`><A`
57			`HREF="posix-process-environment.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"`
69			`VALIGN="bottom"`
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71			`HREF="posix-input-and-output.html"`
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75			`></TR`
76			`></TABLE`
77			`><HR`
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79			`WIDTH="100%"></DIV`
80			`><DIV`
81			`CLASS="SECT1"`
82			`><H1`
83			`CLASS="SECT1"`
84			`><A`
85			`NAME="POSIX-FILES-AND-DIRECTORIES">Files and Directories [POSIX Section 5]</H1`
86			`><DIV`
87			`CLASS="SECT2"`
88			`><H2`
89			`CLASS="SECT2"`
90			`><A`
91			`NAME="AEN13039">Functions Implemented</H2`
92			`><TABLE`
93			`BORDER="5"`
94			`BGCOLOR="#E0E0F0"`
95			`WIDTH="70%"`
96			`><TR`
97			`><TD`
98			`><PRE`
99			`CLASS="SCREEN"`
100			`>DIR opendir( const char dirname );`
101			`struct dirent readdir( DIR dirp );`
102			`int readdir_r( DIR dirp, struct dirent entry,`
103			`struct dirent **result );`
104			`void rewinddir( DIR *dirp );`
105			`int closedir( DIR *dirp );`
106			`int chdir( const char *path );`
107			`char getcwd( char buf, size_t size );`
108			`int open( const char * path , int oflag , ... );`
109			`int creat( const char * path, mode_t mode );`
110			`int link( const char existing, const char new );`
111			`int mkdir( const char *path, mode_t mode );`
112			`int unlink( const char *path );`
113			`int rmdir( const char *path );`
114			`int rename( const char old, const char new );`
115			`int stat( const char path, struct stat buf );`
116			`int fstat( int fd, struct stat *buf );`
117			`int access( const char *path, int amode );`
118			`long pathconf(const char *path, int name);`
119			`long fpathconf(int fd, int name);</PRE`
120			`></TD`
121			`></TR`
122			`></TABLE`
123			`></DIV`
124			`><DIV`
125			`CLASS="SECT2"`
126			`><H2`
127			`CLASS="SECT2"`
128			`><A`
129			`NAME="AEN13042">Functions Omitted</H2`
130			`><TABLE`
131			`BORDER="5"`
132			`BGCOLOR="#E0E0F0"`
133			`WIDTH="70%"`
134			`><TR`
135			`><TD`
136			`><PRE`
137			`CLASS="SCREEN"`
138			`>mode_t umask( mode_t cmask );`
139			`int mkfifo( const char *path, mode_t mode );`
140			`int chmod( const char *path, mode_t mode ); // TBA`
141			`int fchmod( int fd, mode_t mode ); // TBA`
142			`int chown( const char *path, uid_t owner, gid_t group );`
143			`int utime( const char path, const struct utimbuf times ); // TBA`
144			`int ftruncate( int fd, off_t length ); // TBA</PRE`
145			`></TD`
146			`></TR`
147			`></TABLE`
148			`></DIV`
149			`><DIV`
150			`CLASS="SECT2"`
151			`><H2`
152			`CLASS="SECT2"`
153			`><A`
154			`NAME="AEN13045">Notes</H2`
155			`><P`
156			`></P`
157			`><UL`
158			`><LI`
159			`><P`
160			`> If a call to <TT`
161			`CLASS="FUNCTION"`
162			`>open()</TT`
163			`> or <TT`
164			`CLASS="FUNCTION"`
165			`>creat()</TT`
166			`> supplies`
167			`the third _mode_ parameter, it will`
168			`currently be ignored.`
169			`</P`
170			`></LI`
171			`><LI`
172			`><P`
173			`> Most of the functionality of these functions depends on`
174			`the underlying filesystem.`
175			`</P`
176			`></LI`
177			`><LI`
178			`><P`
179			`> Currently<SPAN`
180			`CLASS="emphasis"`
181			`><I`
182			`CLASS="EMPHASIS"`
183			`> access()</I`
184			`></SPAN`
185			`> only checks the`
186			`<SPAN`
187			`CLASS="emphasis"`
188			`><I`
189			`CLASS="EMPHASIS"`
190			`>F_OK</I`
191			`></SPAN`
192			`> mode explicitly, the others are`
193			`all assumed to be true by default.`
194			`</P`
195			`></LI`
196			`><LI`
197			`><P`
198			`> The maximum number of open files allowed is supplied by`
199			`the CYGNUM_FILEIO_NFILE option. The maximum number`
200			`of file descriptors is supplied by the CYGNUM_FILEIO_NFD`
201			`option.`
202			`</P`
203			`></LI`
204			`></UL`
205			`></DIV`
206			`></DIV`
207			`><DIV`
208			`CLASS="NAVFOOTER"`
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222			`><A`
223			`HREF="posix-process-environment.html"`
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225			`>Prev</A`
226			`></TD`
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234			`>Home</A`
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242			`ACCESSKEY="N"`
243			`>Next</A`
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248			`WIDTH="33%"`
249			`ALIGN="left"`
250			`VALIGN="top"`
251			`>Process Environment [POSIX Section 4]</TD`
252			`><TD`
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254			`ALIGN="center"`
255			`VALIGN="top"`
256			`><A`
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259			`>Up</A`
260			`></TD`
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265			`>Input and Output [POSIX Section 6]</TD`
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270			`></HTML`
271			`>`

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