$errors = 1;
		next;
	}
	my ($nb, $func, $in, $out, $modname, $sysname) = ($1, $2, $3, $4, $5, $6);

	# Split argument lists on comma.
	my @in = parseparamlist($in);
	my @out = parseparamlist($out);

	# Try in vain to keep people from editing this file.
	# The theory is that they jump into the middle of the file
	# without reading the header.

		print STDERR "$ARGV:$.: malformed //sys declaration\n";
		$errors = 1;
		next;
	}
	my ($func, $in, $out, $sysname) = ($2, $3, $4, $5);

	# Split argument lists on comma.
	my @in = parseparamlist($in);
	my @out = parseparamlist($out);

	# Try in vain to keep people from editing this file.
	# The theory is that they jump into the middle of the file
	# without reading the header.

	case '(':
		params, _ := p.parseParamList(pkg)
		return params

	default:
		return nil
	}
}

// FunctionType = ParamList ResultList .
func (p *parser) parseFunctionType(pkg *types.Package, nlist []any) *types.Signature {
	t := new(types.Signature)
	p.update(t, nlist)

	params, isVariadic := p.parseParamList(pkg)
	results := p.parseResultList(pkg)