Re: [info-performer] C/C++ typecast problem

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From: Manuel Pabst (manuel.pabst++at++gmx.de)
Date: 02/17/2004 14:41:46

Hi faculaganymede,

try:
char **temp[2];
fun ((const char *(*)[2]) temp);

My Intel 7.0and VisualStudio 6.0 compilers seemed to like it...

Manuel 

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Manuel Pabst
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----- Original Message ----- 
From: "faculaganymede" <faculaganymede++at++yahoo.com>
To: "SGI Performer MailList" <info-performer++at++sgi.com>
Sent: Tuesday, February 17, 2004 10:34 PM
Subject: [info-performer] C/C++ typecast problem

> I have a C/C++ programming question.  It is not
> exactly related to Performer, but I know you are all
> experts in the area, so hopefully someone can help me
> out.
> 
> I have to use an API function with the following
> prototype:
> 
> void fun(const char *fnames[][2]);
> 
> //fnames is supposed to be a 3D array (can be thought
> of as two arrays of pointers with each pointer
> pointing to a string of characters).
> //For example, fnames can be used to store the names
> of students in two workshops. The number of students
> in the two //workshops may or may not be the same. 
> The names of the students can be of length 256
> characters.
> 
> How can I setup the argument variable (fnames) to use
> fun()?
> 
> Here is what I've tried but didn't work:
> ----------------------------------------
> I allocated a variable of the following type and gave
> it some values:
> char **temp[2];
> 
> Then, I called the function as follows, but I couldn't
> seem to get it to work:
> fun(temp); //doesn't work, typecast error
> fun((const char **[2])temp); //doesn't work, typecast
> error
> fun((const char ***)temp); //doesn't work, typecast error
> 
> =====
> Thanks,
> faculaganymede
> 
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