fourth

Type:	-	function (subr)
Source:	-	xlinit.c

Syntax

(fourth expr)

expr - a list or list expression
returns - the fourth element of the list

Description

The 'fourth' function returns the fourth element of a list or list expression. If the list is NIL , NIL is returned.

Examples

(fourth '(1 2 3 4 5))                    ; returns 4
(fourth NIL)                             ; returns NIL
(setq kids '(junie vickie cindy chris))  ; set up variable KIDS
(first kids)                             ; returns JUNIE
(second kids)                            ; returns VICKIE
(third kids)                             ; returns CINDY
(fourth kids)                            ; returns CHRIS
(rest kids)                              ; returns (VICKIE CINDY CHRIS)

Note: This function is set to the same code as cadddr.

See the fourth function in the XLISP 2.0 manual.

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