Does readdir work on Mac OS X?  I don't have a Mac handy right now to
check, but it should work because so many *NIX programs build on OS X
right out of the box.

More or less what you do is call opendir on a directory, then
rewinddir to set your iterator to the beginning of the directory, then
repeatedly call readdir to read each of the items in the directory.

This is actually a portable and standardized interface to reading the
directory inode.

Note that there is both a readdir system call and a readdir library
call.  You want the library call.  The system call is there for the
private use of the library call, and isn't meant to make sense or be
portable.

If readdir does work on OS X, it will get you the filename as it is
actually found in the filesystem - that is, with the case preserved.

Look up "man 3 readdir" and friends.

Don Quixote
-- 
Don Quixote de la Mancha
[email protected]
http://www.dulcineatech.com

   Dulcinea Technologies Corporation: Software of Elegance and Beauty.
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