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+<HTML
+><HEAD
+><TITLE
+>Files and Directories [POSIX Section 5]</TITLE
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+TITLE="POSIX Standard Support"
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+TITLE="Process Environment [POSIX Section 4]"
+HREF="posix-process-environment.html"><LINK
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+TITLE="Input and Output [POSIX Section 6]"
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+>eCos Reference Manual</TH
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+><A
+HREF="posix-process-environment.html"
+ACCESSKEY="P"
+>Prev</A
+></TD
+><TD
+WIDTH="80%"
+ALIGN="center"
+VALIGN="bottom"
+>Chapter 31. POSIX Standard Support</TD
+><TD
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+><DIV
+CLASS="SECT1"
+><H1
+CLASS="SECT1"
+><A
+NAME="POSIX-FILES-AND-DIRECTORIES">Files and Directories [POSIX Section 5]</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 *opendir( const char *dirname );
+struct dirent *readdir( DIR *dirp );
+int readdir_r( DIR *dirp, struct dirent *entry,
+ struct dirent **result );
+void rewinddir( DIR *dirp );
+int closedir( DIR *dirp );
+int chdir( const char *path );
+char *getcwd( char *buf, size_t size );
+int open( const char * path , int oflag , ... );
+int creat( const char * path, mode_t mode );
+int link( const char *existing, const char *new );
+int mkdir( const char *path, mode_t mode );
+int unlink( const char *path );
+int rmdir( const char *path );
+int rename( const char *old, const char *new );
+int stat( const char *path, struct stat *buf );
+int fstat( int fd, struct stat *buf );
+int access( const char *path, int amode );
+long pathconf(const char *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_t umask( mode_t cmask );
+int mkfifo( const char *path, mode_t mode );
+int chmod( const char *path, mode_t mode ); // TBA
+int fchmod( int fd, mode_t mode ); // TBA
+int chown( const char *path, uid_t owner, gid_t group );
+int utime( const char *path, const struct utimbuf *times ); // TBA
+int ftruncate( int fd, off_t length ); // 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 _mode_ 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_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_FILEIO_NFILE option. The maximum number
+ of file descriptors is supplied by the CYGNUM_FILEIO_NFD
+ option.
+ </P
+></LI
+></UL
+></DIV
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