I'm an addict...we have 3 NA meetings a week here. There are 2 AA meetings every day.
Yes, I'm a "child" of both programs...even though drugs caused me the most problems in my life, I could easily pick up a drink and become an alcoholic.
There are many addicts who attend AA. Most of the AA folks accept them. There are a few oldtimers and hardcore AA who will not want to hear about our problems with drugs.
Some meetings are "closed" which mean that they are for alcoholics only.
If they are open it means that anyone can attend, including interested family members, ect.