func doExec(_data)
	// TODO
	fvar(s)
	s = 'curl_exec('+cURLID+');'
	
	if (linked(onExec) or linked(onError))
		println (result, ' = ', s)
		if (linked(onExec))
			println ('if (', result, ' !== FALSE)')
			println ('{')
			block.inclvl()
			event(onExec, result)
			block.declvl()
			println('}')
			if (linked (onError))
				println('else')
				println('{')
				block.inclvl()
				event(onError, 'curl_errno('+cURLID+')')
				block.declvl()
				println('}')
			end
		else
			println ('if (', result, ' === FALSE)')
			println ('{')
			block.inclvl()
			event(onError, 'curl_errno('+cURLID+')')
			block.declvl()
			println('}')			
		end
	else
		println (s + ';')
	end
end

func ErrorNo()
	return('curl_errno('+cURLID+')')
end

func Error()
	return('curl_error('+cURLID+')')
end