SV: [LC++]NEWBIE: what is errno

Jarmo Paavilainen netletter at comder.com
Fri Sep 21 20:13:38 UTC 2001


Hi,

"man errno" gives you all the answers you need.

Basic usage is:

#include <errno.h>
#include <stdio.h>

...Do something that sets errno...

printf( "errno is: %d %s\n", errno, strerror( errno ));

// Jarmo

...
> Reading the man pages for connect, is says that:
> 
> If the connection or binding succeeds, zero is returned. On error, -1 is
> returned, and errno is set appropriately.
> 
> What is errno, and how do I read it.
> -- 
> yours/mvh
> Peter Poulsen
> Naessundvej 208
> 9220 Aalborg East
> Denmark
> 
> E-mail: peter_poulsen at stofanet.dk
> Phone: +45 98 15 47 05
> _______________________________________________
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