+/*
+ * these macros assume 'x' is an ASCII x
+ * and assume the "C" locale
+ */
+#define LDAP_ASCII(c) (!((c) & 0x80))
+#define LDAP_SPACE(c) ((c) == ' ' || (c) == '\t' || (c) == '\n')
+#define LDAP_DIGIT(c) ((c) >= '0' && (c) <= '9')
+#define LDAP_LOWER(c) ((c) >= 'a' && (c) <= 'z')
+#define LDAP_UPPER(c) ((c) >= 'A' && (c) <= 'Z')
+#define LDAP_ALPHA(c) (LDAP_LOWER(c) || LDAP_UPPER(c))
+#define LDAP_ALNUM(c) (LDAP_ALPHA(c) || LDAP_DIGIT(c))
+
+#define LDAP_LDH(c) (LDAP_ALNUM(c) || (c) == '-')
+
+#define LDAP_HEXLOWER(c) ((c) >= 'a' && (c) <= 'f')
+#define LDAP_HEXUPPER(c) ((c) >= 'A' && (c) <= 'F')
+#define LDAP_HEX(c) (LDAP_DIGIT(c) || \
+ LDAP_HEXLOWER(c) || LDAP_HEXUPPER(c))
+
+/* controls.c */
+struct ldapcontrol;
+LDAP_F (struct ldapcontrol *) ldap_control_dup LDAP_P((
+ const struct ldapcontrol *ctrl ));
+
+LDAP_F (struct ldapcontrol **) ldap_controls_dup LDAP_P((
+ struct ldapcontrol *const *ctrls ));
+
+LDAP_F (int) ldap_pvt_get_controls LDAP_P((
+ BerElement *be,
+ struct ldapcontrol ***ctrlsp));
+
+#ifdef HAVE_CYRUS_SASL
+/* cyrus.c */
+struct sasl_security_properties; /* avoid pulling in <sasl.h> */
+LDAP_F (int) ldap_pvt_sasl_secprops LDAP_P((
+ const char *in,
+ struct sasl_security_properties *secprops ));
+
+LDAP_F (void *) ldap_pvt_sasl_mutex_new LDAP_P((void));
+LDAP_F (int) ldap_pvt_sasl_mutex_lock LDAP_P((void *mutex));
+LDAP_F (int) ldap_pvt_sasl_mutex_unlock LDAP_P((void *mutex));
+LDAP_F (void) ldap_pvt_sasl_mutex_dispose LDAP_P((void *mutex));
+
+struct sockbuf; /* avoid pulling in <lber.h> */
+LDAP_F (int) ldap_pvt_sasl_install LDAP_P(( struct sockbuf *, void * ));
+LDAP_F (void) ldap_pvt_sasl_remove LDAP_P(( struct sockbuf * ));
+#endif /* HAVE_CYRUS_SASL */
+
+#define LDAP_PVT_SASL_LOCAL_SSF 71 /* SSF for Unix Domain Sockets */
+
+struct ldap;
+struct ldapmsg;
+
+LDAP_F (int) ldap_open_internal_connection LDAP_P((
+ struct ldap **ldp, ber_socket_t *fdp ));
+
+/* messages.c */
+LDAP_F( BerElement * )
+ldap_get_message_ber LDAP_P((
+ struct ldapmsg * ));
+
+/* search.c */
+LDAP_F( int ) ldap_pvt_put_filter LDAP_P((
+ BerElement *ber,
+ const char *str ));