Subject: RE: Probably a very simple problem - hopefully someone will help me
From: Heribert Dahms <[email-masked]>
To: "'Kurt Roeckx'" <[email-masked]>
Cc: [email-masked]
Date: Mon, 23 Jul 2001 23:44:59 +0200

Hi Kurt,

almost! According to Appendix A of Richard W. Steven's famous
"Advanced Programming in the UNIX Environment" (a "must have" IMHO)
lseek needs including <sys/types.h> before <unistd.h>!

Bye, Heribert ([email-masked])

> -----Original Message-----
> From:	Kurt Roeckx [SMTP:[email-masked]]
> Sent:	Monday, July 23, 2001 17:23
> To:	[email-masked]
> Cc:	[email-masked]
> Subject:	Re: Probably a very simple problem - hopefully someone will
> help me
> 
> On Sun, Jul 22, 2001 at 09:51:07PM +0100, David Ayliffe wrote:
> > 
> > I get these errors when I compile using the command directly below
> > 
> > $ gcc byte_hacking.cpp
> > byte_hacking.cpp: In function 'int main():
> > byte_hacking.cpp:20 implicit declaration of function 'int lseek(...)'
> > byte_hacking.cpp:22 implicit declaration of function 'int read(...)'
> > byte_hacking.cpp:27 implicit declaration of function 'int write(...)'
> > byte_hacking.cpp:25 implicit declaration of function 'int close(...)'
> 
> They're not errors, they're warnings.
> 
> > //Gets records from a MS Access Database
> > 
> > #include <io.h>
> > #include <fcntl.h>
> > #include <stdio.h>
> > #include <sys\stat.h>
> 
> It should be <sys/stat.h>, and you forgot: #include <unistd.h>
> which declares all of those functions.
> 
> 
> Kurt
> 
> 
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