missing prototypes in io.h

Larry Hall (RFK Partners, Inc) lhall@rfk.com
Fri Mar 31 07:40:00 GMT 2000

At 02:14 AM 3/31/00, Jimen Ching wrote:
>On Thu, 30 Mar 2000, Mumit Khan wrote:
> >I'm confused -- io.h has nothing to do with Win32 API. Cygwin provides an 
> >io.h that is Cygwin specific, and Mingw provides one that is MS runtime 
> >specific, and neither is needed if your code uses Win32 API.
> >Why don't you tell us what you're looking for, and we can go from there.
>I wrote a program that uses the cygwin UNIX layer.  I need to link this
>application to a library that was written for Win32.
>My program compiles with cygwin, no problems.  When I tried to compile the
>library using cygwin, it includes io.h and wants the 'access' function
>prototype.  But io.h (non-mingw32 version) has almost nothing in it.
>I'm compiling the source of both without the mingw32 option.  Thus, gcc
>does not look into the mingw32 header directory.  Am I supposed to compile
>the library using mingw32, and my program with non-mingw32?  I was under
>the impression that I can write an application that uses both the Win32
>API _and_ the cygwin UNIX layer.  But the header files seem to stand in
>the way...

io.h is a Windows/DOS concoction.  Look for access() in the Cygwin headers
and use that for non-Windows compilers (I don't remember the header file it
comes from off the top of my head...)

Larry Hall                              lhall@rfk.com
RFK Partners, Inc.                      http://www.rfk.com
118 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX
                                        (508) 560-1285 - cell phone

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