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From: sef@kithrup.COM (Sean Eric Fagan)
Newsgroups: comp.std.c
Subject: Re: How to write Trigraph like character sequences in a string
Message-ID: <1991Jun04.050444.16615@kithrup.COM>
Date: 4 Jun 91 05:04:44 GMT
Article-I.D.: kithrup.1991Jun04.050444.16615
References: <1991May31.133330.1149@roundup.crhc.uiuc.edu> <1991Jun3.011539.17430@tkou02.enet.dec.com> <16332@smoke.brl.mil>
Organization: Kithrup Enterprises, Ltd.
Lines: 20

In article <16332@smoke.brl.mil> gwyn@smoke.brl.mil (Doug Gwyn) writes:
>However, all conforming
>implementations MUST support the full C source character set (as specified
>in X3.159-1989 section 2.2.1) in addition to trigraph sequences (2.2.1.1).

And the only "standard" way to *get* trigraphs is to use the 'c89' command.
Since ANSI C *can't* specify how to get full conformance, having something
like

	filter_trigraphs file.c | pre_processor | check_syntax | compile

is a perfectly "valid" way to get a conforming compiler.  Unless, as noted
previously, you're on a POSIX-compliant system, in which case you will be
able to use the aforementioned c89 command.

-- 
Sean Eric Fagan  | "I made the universe, but please don't blame me for it;
sef@kithrup.COM  |  I had a bellyache at the time."
-----------------+           -- The Turtle (Stephen King, _It_)
Any opinions expressed are my own, and generally unpopular with others.