\newbox{\qqq}\sbox{\qqq}{zzz}
\newbox\qqq \setbox\qqq\hbox{zzz}
\newbox\qqq\setbox\qqq=\hbox{zzz}
tikzpicture
\newsavebox{\qqq}
circuitikz
extarticle
_____ ____ _ |___ |___ \ _ __ | |_ / / __) | '_ \| __| / / / __/| |_) | |_ /_/ |_____| .__/ \__| |_|