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>Files and Directories [POSIX Section 5]</TITLE
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NAME="POSIX-FILES-AND-DIRECTORIES">Files and Directories [POSIX Section 5]</H1
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><A
NAME="AEN13038">Functions Implemented</H2
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>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
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>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
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><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
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><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.
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