// extract field name
        if (state == NAME) {
            if (sscanf(str, "%[^:]:", copy) != 1) break;    // malformed
            lowerCase(copy);
            cur = hv_fetch(hdrs, copy, strlen(copy), 1);
            if (!SvOK(*cur)) *cur = newSVpv("", 0);
            state = VALUE;
            continue;
        }

##</code><code>##

			cur = hv_fetch(hdrs, copy, strlen(copy), 1);
			if (!SvOK(*cur)) {
				SvREFCNT_dec(*cur);
				*cur = newSVpv("", 0);
			}