On 25/04/2011 12:51 PM, Jaimin Dave wrote:
I tried using char ** but it is printing some random string.
str is a pointer to an array of pointers to strings. That's what char**
means. So you need to declare it that way, and use it that way.
This works for me:
File test.c:
void test(char **str)
{
Rprintf("%s",*str);
}
Duncan Murdoch
On Sat, Apr 23, 2011 at 6:08 PM, Duncan Murdoch<[email protected]>wrote:
> On 11-04-23 7:04 PM, Jaimin Dave wrote:
>
>> Hi,
>> I am using a function which accepts the string from R and prints it.
>> But when I am calling .C("main","hello");
>> it is printing any random thing.
>> My C function is
>> void main(char *str)
>>
>
> See Writing R Extensions. The declaration should be char **str.
>
> Duncan Murdoch
>
> {
>> Rprintf("%s",str);
>> }
>>
>> Can you help how to achieve this using .C interface?
>>
>> Thanks
>> Jaimin
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> [email protected] mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>>
http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
[[alternative HTML version deleted]]
______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
______________________________________________
[email protected] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
