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From: leavitt@mordor.hw.stratus.com (Will Leavitt)
Newsgroups: comp.lang.c
Subject: Re: using lex with strings, not files
Keywords: lex, yacc, strings
Message-ID: <5396@lectroid.sw.stratus.com>
Date: 6 May 91 16:35:27 GMT
References: <5384@lectroid.sw.stratus.com>
Sender: usenet@lectroid.sw.stratus.com
Reply-To: leavitt@mordor.sw.stratus.com (Will Leavitt)
Organization: Stratus Computer, Hardware Engineering
Lines: 22




Thank you for all the suggestions.  I had come up with various kludges using 
freopen, but this is much cleaner:

from: Bradley White <bww+@K.GP.CS.CMU.EDU>

%%
char *instr;

#undef  input
#define input()         (*instr ? *instr++ : *instr)

#undef  unput
#define unput(c)        ((c), --instr)

--
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