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From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.lang.c
Subject: Re: What does char **ch mean?
Message-ID: <16071@smoke.brl.mil>
Date: 6 May 91 20:52:53 GMT
Article-I.D.: smoke.16071
References: <1991May4.062007.3264@weyrich.UUCP>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 16

In article <1991May4.062007.3264@weyrich.UUCP> orville@weyrich.UUCP (Orville R. Weyrich) writes:
>I am studying for a C language exam, and a study guide I am using states 
>that the declaration char **ch; is equivalent to char *ch;

No, they're not at all equivalent.  They might not even have the same size.

>I am having difficulty understanding this. My interpretation of the
>declaration char **ch is that we have a pointer to a pointer to a char.

Correct.

>I think that this would be equivalent to the declaration char *ch[]
>rather than what the study guide says. 

The only place where char**ch and char*ch[] are equivalent is as a
declaration of a function parameter.