ibuffer-filtering-alist

ibuffer-filtering-alist is a variable defined in `ibuf-ext.el'.
Its value is shown below.

Documentation:
An alist of (SYMBOL DESCRIPTION FUNCTION) which describes a filter.

You most likely do not want to modify this variable directly; see
`define-ibuffer-filter'.

SYMBOL is the symbolic name of the filter. DESCRIPTION is used when
displaying information to the user. FUNCTION is given a buffer and
the value of the qualifier, and returns non-nil if and only if the
buffer should be displayed.

Value:

((predicate "predicate" #[514 "rq\210\300!)\207" [eval] 4 "\n\n(fn BUF QUALIFIER)"]) (content "content" #[514 "rq\210\212eb\210\300\301\302#*\207" [re-search-forward nil t] 6 "\n\n(fn BUF QUALIFIER)"]) (size-lt "size less than" #[514 "rq\210\300 )W\207" [buffer-size] 4 "\n\n(fn BUF QUALIFIER)"]) (size-gt "size greater than" #[514 "rq\210\300 )V\207" [buffer-size] 4 "\n\n(fn BUF QUALIFIER)"]) (filename "filename" #[514 "rq\210\300 )\211\205\211\301\"\262\207" [ibuffer-buffer-file-name string-match] 7 "\n\n(fn BUF QUALIFIER)"]) (name "buffer name" #[514 "\300\301!\"\207" [string-match buffer-name] 6 "\n\n(fn BUF QUALIFIER)"]) (derived-mode "derived mode" #[514 "rq\210\300!)\207" [derived-mode-p] 4 "\n\n(fn BUF QUALIFIER)"]) (used-mode "major mode in use" #[514 "\211\300\301\"=\207" [buffer-local-value major-mode] 6 "\n\n(fn BUF QUALIFIER)"]) (mode "major mode" #[514 "\211\300\301\"=\207" [buffer-local-value major-mode] 6 "\n\n(fn BUF QUALIFIER)"]))