struct iphdr in netinet/ip.h

bjoe bayuadi.w@gmail.com
Fri Oct 24 10:22:00 GMT 2008


Thank for your quick answer Corinna, the BSD struct ip definition work
fine on me. I realize cygwin development team have good reason not to
add struct iphdr definition so I use your first solutions. 

regards,

On Fri, Oct 17, 2008 at 12:52:28PM +0200, Corinna Vinschen wrote:
> On Oct 17 16:56, bjoe wrote:
> > Hi all,
> > I am sorry for this newbie question
> > I get this error messages when try to compile program in cygwin, but
> > this program compiled successfully in Linux.
> > 
> > $ gcc-4 test.c
> > test.c: In function 'main':
> > test.c:152: error: invalid application of 'sizeof' to incomplete type
> > 'struct iphdr'
> > test.c:153: error: invalid application of 'sizeof' to incomplete type
> > 'struct iphdr'
> > 
> > My investigation show me that cygwin not have iphdr difinitions in netinet/ip.h
> > like Linux. I use cygwin 1.5.25(0.156/4/2), so maybe someone in this
> > list can explain to me how to workaround this.
> 
> Cygwin has the BSD defintion struct ip instead.  Use that or define
> struct iphdr along the lines of struct ip yourself.
> 
> 
> Corinna
> 
> -- 
> Corinna Vinschen                  Please, send mails regarding Cygwin to
> Cygwin Project Co-Leader          cygwin AT cygwin DOT com
> Red Hat

-- 
It is easy to say no when
          there is a deeper yes burning within

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