AC_CHECK_FUNCS(getifaddrs freeifaddrs)
dnl checks for structure members
-AC_STRUCT_TM
-AC_STRUCT_TIMEZONE
-AC_CHECK_MEMBER(struct tm.tm_gmtoff,
- [AC_DEFINE(HAVE_TM_GMTOFF, 1,
- [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
- [#include <time.h>])
AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
struct ifreq.ifr_addr,