/* Generic unistd.h */
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted only
+ * as authorized by the OpenLDAP Public License. A copy of this
+ * license is available at http://www.OpenLDAP.org/license.html or
+ * in file LICENSE in the top-level directory of the distribution.
+ */
#ifndef _AC_UNISTD_H
#define _AC_UNISTD_H
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
#if HAVE_UNISTD_H
-# include <sys/types.h>
-# include <unistd.h>
+# include <unistd.h>
+#endif
+
+/* crypt() may be defined in a separate include file */
+#if HAVE_CRYPT_H
+# include <crypt.h>
+#else
+ extern char *(crypt)();
+#endif
+
+#ifndef HAVE_GETPASS
+LDAP_F(char*)(getpass) LDAP_P((const char *getpass));
+#else
+LDAP_F(char*)(getpass)();
+#endif
+
+/* getopt() defines may be in separate include file */
+#if HAVE_GETOPT_H
+# include <getopt.h>
+
+#elif !defined(HAVE_GETOPT)
+ /* no getopt, assume we need getopt-compat.h */
+# include <getopt-compat.h>
+
+#else
+ /* assume we need to declare these externs */
+ extern char *optarg;
+ extern int optind, opterr, optopt;
+#endif
+
+#ifndef HAVE_TEMPNAM
+ LDAP_F(char *)(tempnam) LDAP_P((
+ const char *tmpdir,
+ const char *prefix));
+#endif
+#ifndef HAVE_MKTEMP
+ LDAP_F(char *)(mktemp) LDAP_P((char *));
#endif
-/* use _POSIX_VERSION for POSIX.1 code */
+/* use lutil file locking */
+#define ldap_lockf(x) lutil_lockf(x)
+#define ldap_unlockf(x) lutil_unlockf(x)
+#include <lutil_lockf.h>
#endif /* _AC_UNISTD_H */