sockatmark.c

sock protocol ,it is useful!

/* $Id: sockatmark.c,v 1.3 1999/05/13 16:35:58 karls Exp $ */

#ifdef HAVE_CONFIG_H
#include "autoconf.h"
#endif  /* HAVE_CONFIG_H */

#include "common.h"

#if !HAVE_SOCKATMARK

int
sockatmark(s)
	int s;
{
	int argp;

	if (ioctl(s, SIOCATMARK, &argp) == -1)
		return -1;

	return argp == 0 ? 0 : 1;
}
#else
static void avoid_error __P((void));
static void avoid_error()
{
	avoid_error();
}
#endif  /* HAVE_SOCKATMARK */