char *get_setting(char *key)
const char *get_setting(const char *key)
char *get_setting(char *key){    struct xrm_string tmp, *ret;    tmp.key = key;    if (xrmtree) {	ret = find234(xrmtree, &tmp, NULL);	if (ret)	    return ret->value;    }    return x_get_default(key);}