bs-buffer-list is a compiled Lisp function in `
(bs-buffer-list &optional LIST SORT-DESCRIPTION)
Return a list of buffers to be shown.
LIST is a list of buffers to test for appearance in Buffer Selection Menu.
The result list depends on the global variables `bs-dont-show-regexp',
`bs-must-show-regexp', `bs-dont-show-function', `bs-must-show-function'
If SORT-DESCRIPTION isn't nil the list will be sorted by
a special function. SORT-DESCRIPTION is an element of `bs-sort-functions'.