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Hi,
recently I attended a test on C where I was asked to declare the
following declarations in one line.
void ** ( *p )(int *, char *);
int *a;
how should i do this shall i use typedef for it.
Thanks,
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| no********@gmail.com wrote:
Hi,
recently I attended a test on C where I was asked to declare the
following declarations in one line.
void ** ( *p )(int *, char *);
int *a;
Why? The question doesn't make sense.
--
Ian Collins. | |
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P: n/a
| no********@gmail.com wrote:
Hi,
recently I attended a test on C where I was asked to declare the
following declarations in one line.
void ** ( *p )(int *, char *);
int *a;
how should i do this shall i use typedef for it.
It not clear what you were asked to do. Write out the declarations in
English or concactenate them into a single line...
Maybe you can clarify further? | |
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for example
we can declare two variables as:
int i;
int j;
and also we can combine them to form a single line of declaration
int i,j;
in the similar way.
santosh wrote:
no********@gmail.com wrote:
Hi,
recently I attended a test on C where I was asked to declare the
following declarations in one line.
void ** ( *p )(int *, char *);
int *a;
how should i do this shall i use typedef for it.
It not clear what you were asked to do. Write out the declarations in
English or concactenate them into a single line...
Maybe you can clarify further?
| |
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P: n/a
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it was a question.
may be they wanted to know my pointer knowledge.
Ian Collins wrote:
no********@gmail.com wrote:
Hi,
recently I attended a test on C where I was asked to declare the
following declarations in one line.
void ** ( *p )(int *, char *);
int *a;
Why? The question doesn't make sense.
--
Ian Collins.
| |
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void ** ( *p )(int *, char *); int *a;
at least, gcc allows you to do this, but it sounds to me that you have
got the question mixed up/misinterpreted. Surely no examiner would ask
such a stupid question...
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void ** ( *p )(int *, char *); int *a;
at least, gcc allows you to do this, but it sounds to me that you have
got the question mixed up/misinterpreted. Surely no examiner would ask
such a stupid question...
| |
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P: n/a
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I worked out the answer
we can write the declaration as
void **(*p)(int *,char *), *a;
now later when we use a we can typecast it to int *.
It will work without typecasting as well.
I tried it out. it works.
Thanks no********@gmail.com wrote:
it was a question.
may be they wanted to know my pointer knowledge.
Ian Collins wrote:
no********@gmail.com wrote:
Hi,
>
>
recently I attended a test on C where I was asked to declare the
following declarations in one line.
>
void ** ( *p )(int *, char *);
int *a;
>
Why? The question doesn't make sense.
--
Ian Collins.
| |
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| no********@gmail.com wrote:
Please don't top post.
santosh wrote:
>>no********@gmail.com wrote:
>>>Hi,
recently I attended a test on C where I was asked to declare the
following declarations in one line.
void ** ( *p )(int *, char *);
int *a;
how should i do this shall i use typedef for it.
It not clear what you were asked to do. Write out the declarations in
English or concactenate them into a single line...
Maybe you can clarify further?
for example
we can declare two variables as:
int i;
int j;
and also we can combine them to form a single line of declaration
int i,j;
Which many (including me) consider very bad style.
I still don't see how this relates to the question, why would you want
to put a function pointer and an int pointer declaration on one line?
--
Ian Collins. | |
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P: n/a
| no********@gmail.com wrote:
Hi,
recently I attended a test on C where I was asked to declare the
following declarations in one line.
void ** ( *p )(int *, char *);
int *a;
how should i do this shall i use typedef for it.
void ** ( *p )(int *, char *); int *a; | |
|
P: n/a
| no********@gmail.com wrote:
santosh wrote:
no********@gmail.com wrote:
>
recently I attended a test on C where I was asked to declare the
following declarations in one line.
>
void ** ( *p )(int *, char *);
int *a;
>
how should i do this shall i use typedef for it.
It not clear what you were asked to do. Write out the declarations in
English or concactenate them into a single line...
Maybe you can clarify further?
for example
we can declare two variables as:
int i;
int j;
and also we can combine them to form a single line of declaration
int i,j;
in the similar way.
If what you say is correct, then it's certainly a stupid question!
Just combine them into a line like this:
void ** (*p)(int *, char *); int *a; | |
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P: n/a
| no********@gmail.com wrote:
recently I attended a test on C where I was asked to declare the
following declarations in one line.
void ** ( *p )(int *, char *);
int *a;
I worked out the answer
we can write the declaration as
void **(*p)(int *,char *), *a;
You changed the declaration. You were asked to declare a as pointer to
int, according to your own original post, and your solution declares it
as pointer to void.
now later when we use a we can typecast it to int *.
It will work without typecasting as well.
I tried it out. it works.
No, it doesn't. The original declaration allows you to write *a = 0;.
Your modified declaration does not. It's possible that what you wrote
is the intended solution, but if that's the case, the question was
simply plain wrong. | |
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P: n/a
| no********@gmail.com wrote:
I worked out the answer
we can write the declaration as
void **(*p)(int *,char *), *a;
now later when we use a we can typecast it to int *.
It will work without typecasting as well.
I tried it out. it works.
This is so gobsmackingly awful an idea that I urge you
to forget it immediately and read K&R2.
If that's what the people who were testing you /wanted/
my advice would be to run away, very fast, very far, very
soon.
--
Chris "very writhing in coils" Dollin
"Never ask that question!" Ambassador Kosh, /Babylon 5/ | | This discussion thread is closed Replies have been disabled for this discussion. | |  Question stats - viewed: 1681
- replies: 12
- date asked: Jul 3 '06
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