Name: file_info - get detailed info about a file

Syntax:
	mixed *file_info(string path)

Description:
	The file_info efun takes a path as argument and returns an array
	with the following elements:

	0: name of the file (string)
	1: size of the file in bytes (int)
	2: modification time of the file in Unix format (int)
	3: mode bits, see /include/dir.h for details.
	4: 0 (int) if the file is a regular file or directory, else
	   it contains the path of the file where this is a link to.

	It's basically the one dimensional counterpart to what directory() returns.

Return value: see above

See also: efun/directory, lib/ls, efun/get_dir