(flex.info.gz) Is there a way to make flex treat NULL like a regular character?

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(flex.info.gz) I am trying to port code from AT&T lex that uses yysptr and yysbuf

(flex.info.gz) FAQ

(flex.info.gz) Whenever flex can not match the input it says "flex scanner jammed"

 
 Is there a way to make flex treat NULL like a regular character?
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 Yes, `\0' and `\x00' should both do the trick.  Perhaps you have an
 ancient version of `flex'.  The latest release is version 2.5.35.
 

Info Catalog

(flex.info.gz) I am trying to port code from AT&T lex that uses yysptr and yysbuf

(flex.info.gz) FAQ

(flex.info.gz) Whenever flex can not match the input it says "flex scanner jammed"