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From: vu0310@bingvaxu.cc.binghamton.edu (R. Kym Horsell)
Newsgroups: comp.lang.c
Subject: Re: Preprocessor macro to quote its argument
Message-ID: <3866@bingvaxu.cc.binghamton.edu>
Date: 20 Aug 90 07:49:42 GMT
References: <1112@mti.mti.com> <3857@bingvaxu.cc.binghamton.edu> <1990Aug19.200440.8534@uunet!unhd>
Reply-To: vu0310@bingvaxu.cc.binghamton.edu.cc.binghamton.edu (R. Kym Horsell)
Organization: SUNY Binghamton, NY
Lines: 23

In article <1990Aug19.200440.8534@uunet!unhd> al@unhd.UUCP (Anthony Lapadula) writes:
\\\
>What happens if Q is ``invoked'' with another macro as its argument, as in:
>	#define M1 100
>	#define M2 func()
>	:
>	puts (Q(M1));
>	puts (Q(M2));
>
>What should the output be?  The two compilers available to me disagree.
>   gcc version 1.37.1   --->   outputs "M1" and "M2"
>   cc                   --->   CPP error ("#100 undefined [in puts(#100)])

The #x in a macro is supposed to produce an ascii string if its 
argument "x".

Since rescanning occurs *after* this process and ANSII C isn't
*supposed* to look inside strings you should get what gcc gave
you. 

It sounds like your cc dosn't comply with the std.

-Kym Horsell