NAME
	get_dir - return an array of filenames in a directory

SYNOPSIS
	string *get_dir(string path)

DESCRIPTION
	This function returns the names of all files contained in the
	specified directory. If 'path' doesn't end with '/' either an
	empty array is returned if nothing with that name exists or
	an array containing the name if it exists. If 'path ends with
	'/' 0 is returned if 'path' isn't a directory else the contents
	of that directory as an array is returned. It is possible to
	use wildcards like:

	   get_dir("/a*")   Would return all files starting with
			    'a' in the muds root directory.

	The function is subject to the rules defined by the function
	`valid_read()'.

