+/*
+ *-*-nto-qnx needs these headers for strcasecmp and LASTLOG_FILE respectively
+ */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_LOGIN_H
+# include <login.h>
+#endif
+
+#ifdef HAVE_UTMP_H
+# include <utmp.h>
+#endif
+#ifdef HAVE_UTMPX_H
+# ifdef HAVE_TV_IN_UTMPX
+# include <sys/time.h>
+# endif
+# include <utmpx.h>
+#endif
+#ifdef HAVE_LASTLOG_H
+# include <lastlog.h>
+#endif
+#ifdef HAVE_PATHS_H
+# include <paths.h> /* For _PATH_XXX */
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h> /* For timersub */
+#endif
+#include <sys/resource.h>
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_BSDTTY_H
+# include <sys/bsdtty.h>
+#endif
+#include <sys/param.h> /* For MAXPATHLEN and roundup() */
+#ifdef HAVE_SYS_UN_H
+# include <sys/un.h> /* For sockaddr_un */
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_SYS_BITYPES_H
+# include <sys/bitypes.h> /* For u_intXX_t */
+#endif
+#ifdef HAVE_SYS_CDEFS_H
+# include <sys/cdefs.h> /* For __P() */
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h> /* For S_* constants and macros */
+#endif
+#ifdef HAVE_SYS_SYSMACROS_H
+# include <sys/sysmacros.h> /* For MIN, MAX, etc */
+#endif
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h> /* for MAP_ANONYMOUS */
+#endif
+#ifdef HAVE_SYS_STRTIO_H
+#include <sys/strtio.h> /* for TIOCCBRK on HP-UX */
+#endif
+#if defined(HAVE_SYS_PTMS_H) && defined(HAVE_DEV_PTMX)
+# if defined(HAVE_SYS_STREAM_H)
+# include <sys/stream.h> /* reqd for queue_t on Solaris 2.5.1 */
+# endif
+#include <sys/ptms.h> /* for grantpt() and friends */
+#endif
+
+#include <netinet/in_systm.h> /* For typedefs */
+#include <netinet/in.h> /* For IPv6 macros */
+#include <netinet/ip.h> /* For IPTOS macros */
+#include <netinet/tcp.h>
+#include <arpa/inet.h>
+#if defined(HAVE_NETDB_H)
+# include <netdb.h>
+#endif
+#ifdef HAVE_RPC_TYPES_H
+# include <rpc/types.h> /* For INADDR_LOOPBACK */
+#endif
+#ifdef USE_PAM
+#if defined(HAVE_SECURITY_PAM_APPL_H)
+# include <security/pam_appl.h>
+#elif defined (HAVE_PAM_PAM_APPL_H)
+# include <pam/pam_appl.h>
+#endif
+#endif
+#ifdef HAVE_READPASSPHRASE_H
+# include <readpassphrase.h>
+#endif
+
+#ifdef HAVE_IA_H
+# include <ia.h>
+#endif
+
+#ifdef HAVE_IAF_H
+# include <iaf.h>
+#endif
+
+#ifdef HAVE_TMPDIR_H
+# include <tmpdir.h>
+#endif
+
+#ifdef HAVE_LIBUTIL_H
+# include <libutil.h> /* Openpty on FreeBSD at least */
+#endif
+
+#if defined(KRB5) && defined(USE_AFS)
+# include <krb5.h>
+# include <kafs.h>
+#endif
+
+#if defined(HAVE_SYS_SYSLOG_H)
+# include <sys/syslog.h>
+#endif