Looking for the title of a movie

[Domeguy]

Looking from some information on a movie. I sat down to watch "The Omega Man" today, and it's not the movie I thought it was. The movie I am looking for I thought was the omega man, and I thought Charlton Heston was the lead roll, is set in a post apocalyptic city where he thought he was the only one left. I remember him having manicans in the apartment and talking to them. I remember one was named "Snodgrass", and during an argument, he or another one was thrown out of the window. I remember he has his place set up with all kinds of booby traps. I know this sounds a lot like "The Omega Man", but after just watching it, I'm sure it isn't. So please help out...sorry, I thought I was making a new post...this can be deleted.