NAME
	_prev_obj - give the previous object.

SYNOPSIS
	object _prev_obj(object obj)

DESCRIPTION
	Given an object, this returns the previous object in the main
	object list.

NOTE
	The main list is treated as circular, i.e. if you give the first
	object in the list, you will be given the last.

SEE ALSO
	sfun/_get_all_obj, sfun/_next_obj

Help topics available:

_get_all_obj	_next_obj	_prev_obj	abs	expand_file_name
frnd	get_objects	getopts	implode_nicely	itoa
line_break	load_object	mapping_rusage	query_ip_name	set_light
sgn	short_date	typep