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Message:

stdio

Posted by Matt Gerrans on November 20, 2001 at 1:02 PM

You just need to have your INCLUDE environment variable set to include the directory where stdio.h and all the other standard headers are. If you are using mscv, there is a batch file called vcvars32.bat (or msvcvars.bat, if you have the old msvc) that will do the trick. Just call it.

- mfg

> > > > I am trying to find out how to clear an msdos screen using java
> > > > In c++, there was a function called clrscr() which used to serve
> > > > this purpose - java does not seem to have anything similiar.
> > > > I have looked everywhere for a solution, and tried many different
> > > > suggestions none of which work.

> > > If you are not concerned about platform independence, which
> > > your question seems to imply (since you are talking about
> > > MS-DOS boxes), why not just call a native method that does
> > > your trusty old C++ clrscr()? To figure out how to do this,
> > > look for documentation at java.sun.com on JNI. I don't have
> > > anything significant about JNI here at artima.com, so I'd just
> > > do a search at java.sun.com for JNI (Java Native Interface).

>
> > Ok....i did some research on this, it seems straight forward enough.
> > I have written the c++ file I want to encorporate -
> > basically all it does is call the clear screen function clrscr().

> > However, I was following the instructions to create a shared
> > library and this is where i seem to be having some trouble.
> > The code suggested to do so is as follows (For Windows)
> > cl -Ic:\java\include -Ic:\java\include\win32
> > -LD HelloWorldImp.c -Fehello.dll
> > That's fine - i updated this to point to where the include
> > directory is on my PC.
> > However, when I run this I get the following
> > fatal error C1083: Cannot open include file: 'stdio.h':
> > No such file or directory
> > Although stdio.h does exist - the thing is I do not call/use
> > this header file!.
> > Any help would be gratefully received
> > rgds
> > Allan.

> Hey allan>>> according to your message above...u mentioned that you do not include the stdio.h file...thats write.

> what actually happens is that the jni.h file under include/win32 tries to include that file.

> even i was facing the same problems but when i copied the stdio.h file under include/win32...i got my dll created.

> but i made my dll on a solaris machine...on NT eveni got some errors.

> any comments on the above will help me 2 pal.

> regards.

> vicky.