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    The following form allows you to view linux man pages.

    Command:

    telldir

    
    
    

    SYNOPSIS

           #include <dirent.h>
    
           long telldir(DIR *dirp);
    
       Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
    
           telldir(): _BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE
    
    
    

    DESCRIPTION

           The telldir() function returns the current location associated with the
           directory stream dirp.
    
    
    

    RETURN VALUE

           On success, the telldir() function returns the current location in  the
           directory stream.  On error, -1 is returned, and errno is set appropri-
           ately.
    
    
    

    ERRORS

           EBADF  Invalid directory stream descriptor dirp.
    
    
    

    ATTRIBUTES

       Multithreading (see pthreads(7))
           The telldir() function is thread-safe.
    
    
    

    CONFORMING TO

           4.3BSD, POSIX.1-2001.
    
    
    

    NOTES

           In glibc up to version 2.1.1, the return type of telldir()  was  off_t.
           POSIX.1-2001  specifies  long,  and  this  is the type used since glibc
           2.1.2.
    
           In early filesystems, the value returned by telldir() was a simple file
           offset  within a directory.  Modern filesystems use tree or hash struc-
           tures, rather than flat tables,  to  represent  directories.   On  such
           filesystems,  the  value  returned by telldir() (and used internally by
           readdir(3)) is a "cookie" that is used by the implementation to  derive
           a  position within a directory.  Application programs should treat this
           strictly as an opaque value, making no assumptions about its  contents.
    
    
    

    SEE ALSO

           closedir(3),    opendir(3),   readdir(3),   rewinddir(3),   scandir(3),
           seekdir(3)
    
                                      2013-09-02                        TELLDIR(3)
    
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