foreach

/*
 *  call-seq:
 *     Dir.foreach( dirname ) {| filename | block }  => nil
 *
 *  Calls the block once for each entry in the named directory, passing
 *  the filename of each entry as a parameter to the block.
 *
 *     Dir.foreach("testdir") {|x| puts "Got #{x}" }
 *
 *  <em>produces:</em>
 *
 *     Got .
 *     Got ..
 *     Got config.h
 *     Got main.rb
 *
 */
static VALUE
dir_foreach(io, dirname)
    VALUE io, dirname;
{
    VALUE dir;

    dir = dir_open_dir(dirname);
    rb_ensure(dir_each, dir, dir_close, dir);
    return Qnil;
}