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From: billc@trsvax.UUCP
Newsgroups: comp.lang.c
Subject: Re: *\"LDA\" ok?
Message-ID: <192800005@trsvax>
Date: Mon, 24-Aug-87 18:36:00 EDT
Article-I.D.: trsvax.192800005
Posted: Mon Aug 24 18:36:00 1987
Date-Received: Sat, 19-Sep-87 11:37:36 EDT
References: <8877@brl-adm.ARPA>
Lines: 19
Nf-ID: #R:brl-adm.ARPA:-887700:trsvax:192800005:000:789
Nf-From: trsvax.UUCP!billc    Aug 24 17:36:00 1987



>/* Written 10:55 pm  Aug 19, 1987 by wiscvm.wisc.EDU!ADLER1%BRANDEIS.*/
>/* ---------- "*\"LDA\" ok?" ---------- */
>I was trying to write a C program that would read MIX commands from
>stdin. I also wanted to be able to verify that the string opcode
>was actually internally equal to the string LDA in case the MIX
>command was  LDA 2000,2(0:3)  <CR>. After some experimentation I
>arrived at the following code. It works, but I am somewhat dismayed
>by the expression (*opcode == *"LDA") . It just looks so peculiar.
>Is it really OK?

NO!!!

What you're doing here is simply comparing the first character from each
string.  Instead, use something like this:

	strupr (opcode); /* convert any lower case chars to upper case */
	if (! strcmp (opcode, "LDA")) printf ("Got match.\n");