Re: ping.c

[Martin Baulig <martin home-of-linux org>]

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On Thu, 9 Jul 1998, Mark Galassi wrote:

> To: martin@home-of-linux.org
> Subject: Re: ping.c
> From: Mark Galassi <rosalia@cygnus.com>
> 
> 
>     Martin> #if (_LINUX_C_LIB_VERSION_MAJOR == 5)
>     Martin> typedef struct icmphdr struct_icmp;
> 
> Except that you should do a test for the existence of struct icmp,
> rather than a test for a particular version of glibc.

This is really better, I wanted to do this either -
'_LINUX_C_LIB_VERSION_MAJOR' was just a test to get it compile in libc5.

> As I mentioned earlier, the problem is not just a linux one.  OSF/1
> does not have struct icmp, whereas solaris has it.

Oops, OSF/1 V3.0, V3.2 and Digital Unix V3.2C have struct icmp as do
SunOS 4.1.3 and BSD/OS 3.1.

So I'll check for the existance of struct icmp and use icmphdr otherwise

Martin

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