extern char *sys_errlist[];
#endif
+#ifndef HAVE_H_ERRNO
+extern int h_errno;
+#endif
+
#ifndef SYS_SIGLIST_DECLARED
#ifndef VMS
#ifndef BSD4_1
#ifndef TERM
while (1)
{
+#ifdef TRY_AGAIN
+ h_errno = 0;
+#endif
host_info_ptr = gethostbyname (XSTRING (host)->data);
#ifdef TRY_AGAIN
if (! (host_info_ptr == 0 && h_errno == TRY_AGAIN))