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From: ckp@grebyn.com (Checkpoint Technologies)
Newsgroups: comp.lang.c
Subject: Re: Macros in ANSI C
Message-ID: <1991Mar3.065123.17146@grebyn.com>
Date: 3 Mar 91 06:51:23 GMT
References: <1172@intelisc.isc.intel.com>
Organization: Grebyn Timesharing
Lines: 18

In article <1172@intelisc.isc.intel.com> mojy@iSC.intel.com (Mojy Mirashrafi) writes:
>In the old C if you wanted to define a macro to convert its parameter to a 
>char you would write a macro like this:
>#define conv(s) 's'
>and if you used "conv(X)" in your code you would get 'X'.
>In ANSI C the "'" prevents evaluation of the enclosed characters.

If you don't need it to result in a constant, you can use:

#define conv(s) #s[0]

The real answer is, no, you can't use that old trick anymore, and
no new trick replaces it.  Sorry.
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