NAME
        GetAGString - Obtain localized AmigaGuide text  (V34)
    SYNOPSIS
        string = GetAGString (id);
        d0                      d0
        strptr getagstring (long);
    FUNCTION
        This function is used to obtain a pointer to the string
        associated with the given ID.
    INPUTS
        id        - catalog entry to obtain.
    RETURNS
        Returns a pointer to the NULL terminated string. NULL on
        failure.
    SEE ALSO