SYNOPSIS
        int rmember(mixed *array, mixed elem [, int start])
        int rmember(string s, int elem [, int start])

DESCRIPTION
        For arrays and strings, returns the index of the last
        occurance of second arg in the first arg, or -1 if none found.
        If <start> is given and non-negative, the search starts at
        that position.

HISTORY
        Introduced in LDMud 3.2.10.
        LDMud 3.3.556 added the <start> parameter.

SEE ALSO
        member(E)