tblsearch
From AutoCad AutoLISP Functions
Searches a symbol table for a symbol name
(tblsearch table-name symbol [setnext])
If tblsearch finds an entry for the given symbol name, it returns that entry in the format described for tblnext. If no entry is found, tblsearch returns nil.
The following command searches for a text style named “standard”:
Command: (tblsearch "style" "standard")
((0 . "STYLE") (2 . "STANDARD") (70 . 0) (40 . 0.0) (41 . 1.0) (50 . 0.0) (71 . 0) (42 . 0.3) (3 . "txt") (4 . ""))