// rrqforth.asm:	WORD p_use,'USE',dovariable

anchor:p_use[]

=== Word: USE

....
Data value: ( wordlist -- )  Input stream: word
....

"USE" is a function word that looks up next word given the wordlist.
It reads next word on <<p_input,INPUT>> via <<p_read_word,READ-WORD>>,
then temporarily changes <<p_current_wordlist,CURRENT-WORDLIST>> to
<<p_find,FIND>> the word via the given wordlist, and returns the TFA
of that word, or just 0 if the word coudn't be found.