use isinf(3) and isnan(3) instead of rolling our own

[unix-history] / usr / src / lib / libc / net / sethostent.c

/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)sethostent.c	6.9 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <netdb.h>
#include <resolv.h>

void
sethostent(stayopen)
{
	if (stayopen)
		_res.options |= RES_STAYOPEN | RES_USEVC;
}

void
endhostent()
{
	_res.options &= ~(RES_STAYOPEN | RES_USEVC);
	_res_close();
}