what does this block of code mean?

what does this block of code mean?

[Jack Bauer]

Hi

This is in tclcl.h file.

#include <sys/types.h>
#include <string.h>
#include <tcl.h>
extern "C" {
#include <otcl.h>
}

#include "tclcl-config.h"
#include "tracedvar.h"

What does extern "C" ... mean?

Thanks in advance.

-- 
Xia YinChu 夏寅初
@
ShangHai JiaoTong University
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Re: what does this block of code mean?

[Ben Kevan]

On Sunday 15 July 2007 06:40:27 pm Jack Bauer wrote:
> Hi
>
> This is in tclcl.h file.
>
> #include <sys/types.h>
> #include <string.h>
> #include <tcl.h>
> extern "C" {
> #include <otcl.h>
> }
>
> #include "tclcl-config.h"
> #include "tracedvar.h"
>
> What does extern "C" ... mean?
>
> Thanks in advance.

tells the C++ compiler that the functions declared in the header file are C 
functions

-- 
How much can you know about yourself, you've never been in a fight? I don't 
wanna die without any scars. So come on; hit me

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