diff --git a/acc_user.h b/acc_user.h
index 57aad4ae9..6a1eac14a 100644
--- a/acc_user.h
+++ b/acc_user.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: acc_user.h,v 1.18 2003/06/13 19:23:41 steve Exp $"
+#ident "$Id: acc_user.h,v 1.19 2003/10/10 02:57:45 steve Exp $"
 #endif
 
 /*
@@ -200,6 +200,10 @@ extern int   acc_configure(PLI_INT32 config_param, const char*value);
 extern int   acc_fetch_argc(void);
 extern char**acc_fetch_argv(void);
 
+extern PLI_INT32 acc_fetch_direction(handle obj);
+/* XXXX FIXME: Values returned by acc_fetch_direction */
+# define accInout 2
+
 extern char* acc_fetch_fullname(handle obj);
 
 extern int   acc_fetch_location(p_location loc, handle obj);
@@ -232,9 +236,11 @@ extern char*     acc_fetch_type_str(PLI_INT32 type);
 extern char* acc_fetch_value(handle obj, const char*fmt, s_acc_value*value);
 
 extern handle acc_handle_by_name(const char*name, handle scope);
+extern handle acc_handle_hiconn(handle port_ref_handle);
 extern handle acc_handle_object(const char*name);
 extern handle acc_handle_parent(handle obj);
 extern handle acc_handle_scope(handle obj);
+extern handle acc_handle_simulated_net(handle net);
 
 extern handle acc_handle_tfarg(int n);
 extern handle acc_handle_tfinst(void);
@@ -242,6 +248,8 @@ extern handle acc_handle_tfinst(void);
 extern PLI_INT32 acc_compare_handles(handle, handle);
 
 extern handle acc_next(PLI_INT32 *, handle, handle);
+extern handle acc_next_bit(handle ref, handle bit);
+extern handle acc_next_port(handle ref, handle bit);
 extern handle acc_next_scope(handle, handle);
 extern handle acc_next_topmod(handle prev_topmod);
 
@@ -264,6 +272,9 @@ EXTERN_C_END
 
 /*
  * $Log: acc_user.h,v $
+ * Revision 1.19  2003/10/10 02:57:45  steve
+ *  Some PLI1 stubs.
+ *
  * Revision 1.18  2003/06/13 19:23:41  steve
  *  Add a bunch more PLI1 routines.
  *
diff --git a/libveriuser/.cvsignore b/libveriuser/.cvsignore
index 2f8b88c43..f4f67abe0 100644
--- a/libveriuser/.cvsignore
+++ b/libveriuser/.cvsignore
@@ -3,3 +3,4 @@ configure
 config.*
 autom4te.cache
 dep
+bin32
diff --git a/libveriuser/Makefile.in b/libveriuser/Makefile.in
index 22a34bf6a..48fa180b0 100644
--- a/libveriuser/Makefile.in
+++ b/libveriuser/Makefile.in
@@ -16,7 +16,7 @@
 #    59 Temple Place - Suite 330
 #    Boston, MA 02111-1307, USA
 #
-#ident "$Id: Makefile.in,v 1.30 2003/10/09 00:37:58 steve Exp $"
+#ident "$Id: Makefile.in,v 1.31 2003/10/10 02:57:45 steve Exp $"
 #
 #
 SHELL = /bin/sh
@@ -47,16 +47,19 @@ STRIP = @STRIP@
 RANLIB = @RANLIB@
 
 A = a_close.o a_compare_handles.o a_configure.o a_fetch_argc.o \
-a_fetch_argv.o a_fetch_fullname.o a_fetch_location.o \
+a_fetch_argv.o a_fetch_dir.o a_fetch_fullname.o a_fetch_location.o \
 a_fetch_param.o a_fetch_range.o a_fetch_tfarg.o a_fetch_time.o \
 a_fetch_type.o a_fetch_type_str.o a_fetch_value.o a_handle_by_name.o \
-a_handle_object.o a_handle_parent.o a_handle_tfarg.o a_initialize.o \
-a_next.o a_next_topmod.o a_object_of_type.o a_product_version.o \
+a_handle_hiconn.o a_handle_object.o a_handle_parent.o \
+a_handle_simulated_net.o a_handle_tfarg.o a_initialize.o \
+a_next.o a_next_bit.o a_next_port.o a_next_topmod.o \
+a_object_of_type.o a_product_version.o \
 a_set_value.o a_vcl.o a_version.o
 
-O = asynch.o delay.o finish.o getcstringp.o getinstance.o getlongp.o \
-getp.o getsimtime.o io_print.o math.o mc_scan_plusargs.o nump.o putlongp.o \
-putp.o spname.o typep.o workarea.o veriusertfs.o priv.o $A
+O = asynch.o delay.o exprinfo.o finish.o getcstringp.o getinstance.o \
+getlongp.o getp.o getsimtime.o io_print.o math.o mc_scan_plusargs.o \
+nodeinfo.o nump.o putlongp.o putp.o spname.o typep.o workarea.o \
+veriusertfs.o priv.o $A
 
 ifeq (@enable_vvp32@,yes)
 ALL32 = all32
diff --git a/libveriuser/a_fetch_dir.c b/libveriuser/a_fetch_dir.c
new file mode 100644
index 000000000..580b97c02
--- /dev/null
+++ b/libveriuser/a_fetch_dir.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2003 Stephen Williams (steve@picturel.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 of the License, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifdef HAVE_CVS_IDENT
+#ident "$Id: a_fetch_dir.c,v 1.1 2003/10/10 02:57:45 steve Exp $"
+#endif
+
+# include  <assert.h>
+# include  <ctype.h>
+# include  <acc_user.h>
+# include  <vpi_user.h>
+# include  "priv.h"
+
+PLI_INT32 acc_fetch_direction(handle obj)
+{
+      if (pli_trace) {
+	    fprintf(pli_trace, "acc_fetch_direction: enter.\n");
+	    fflush(pli_trace);
+      }
+
+      fprintf(stderr, "acc_fetch_direction: XXXX not implemented. XXXX\n");
+
+      if (pli_trace) {
+	    fprintf(pli_trace, "acc_fetch_direction: return.\n");
+	    fflush(pli_trace);
+      }
+
+      return accInout;
+}
+
+
+/*
+ * $Log: a_fetch_dir.c,v $
+ * Revision 1.1  2003/10/10 02:57:45  steve
+ *  Some PLI1 stubs.
+ *
+ */
+
diff --git a/libveriuser/a_handle_hiconn.c b/libveriuser/a_handle_hiconn.c
new file mode 100644
index 000000000..567a0d00a
--- /dev/null
+++ b/libveriuser/a_handle_hiconn.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2003 Stephen Williams (steve@picturel.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 of the License, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifdef HAVE_CVS_IDENT
+#ident "$Id: a_handle_hiconn.c,v 1.1 2003/10/10 02:57:45 steve Exp $"
+#endif
+
+# include  <assert.h>
+# include  <ctype.h>
+# include  <acc_user.h>
+# include  <vpi_user.h>
+# include  "priv.h"
+
+handle acc_handle_hiconn(handle obj)
+{
+      if (pli_trace) {
+	    fprintf(pli_trace, "acc_handle_hiconn: enter.\n");
+	    fflush(pli_trace);
+      }
+
+      fprintf(stderr, "acc_handle_hiconn: XXXX not implemented. XXXX\n");
+
+      if (pli_trace) {
+	    fprintf(pli_trace, "acc_handle_hiconn: return.\n");
+	    fflush(pli_trace);
+      }
+
+      return 0;
+}
+
+
+/*
+ * $Log: a_handle_hiconn.c,v $
+ * Revision 1.1  2003/10/10 02:57:45  steve
+ *  Some PLI1 stubs.
+ *
+ */
+
diff --git a/libveriuser/a_handle_simulated_net.c b/libveriuser/a_handle_simulated_net.c
new file mode 100644
index 000000000..2d07d1ab5
--- /dev/null
+++ b/libveriuser/a_handle_simulated_net.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2003 Stephen Williams (steve@picturel.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 of the License, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifdef HAVE_CVS_IDENT
+#ident "$Id: a_handle_simulated_net.c,v 1.1 2003/10/10 02:57:46 steve Exp $"
+#endif
+
+# include  <assert.h>
+# include  <ctype.h>
+# include  <acc_user.h>
+# include  <vpi_user.h>
+# include  "priv.h"
+
+handle acc_handle_simulated_net(handle obj)
+{
+      if (pli_trace) {
+	    fprintf(pli_trace, "acc_handle_simulated_set: returns argument\n");
+	    fflush(pli_trace);
+      }
+
+      return obj;
+}
+
+
+/*
+ * $Log: a_handle_simulated_net.c,v $
+ * Revision 1.1  2003/10/10 02:57:46  steve
+ *  Some PLI1 stubs.
+ *
+ */
+
diff --git a/libveriuser/a_next_bit.c b/libveriuser/a_next_bit.c
new file mode 100644
index 000000000..13ba06a5f
--- /dev/null
+++ b/libveriuser/a_next_bit.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2003 Stephen Williams (steve@picturel.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 of the License, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifdef HAVE_CVS_IDENT
+#ident "$Id: a_next_bit.c,v 1.1 2003/10/10 02:57:46 steve Exp $"
+#endif
+
+# include  <assert.h>
+# include  <ctype.h>
+# include  <acc_user.h>
+# include  <vpi_user.h>
+# include  "priv.h"
+
+handle acc_next_bit(handle ref, handle bit)
+{
+      if (pli_trace) {
+	    fprintf(pli_trace, "acc_next_bit: enter.\n");
+	    fflush(pli_trace);
+      }
+
+      fprintf(stderr, "acc_next_bit: XXXX not implemented. XXXX\n");
+
+      if (pli_trace) {
+	    fprintf(pli_trace, "acc_next_bit: return.\n");
+	    fflush(pli_trace);
+      }
+
+      return 0;
+}
+
+
+/*
+ * $Log: a_next_bit.c,v $
+ * Revision 1.1  2003/10/10 02:57:46  steve
+ *  Some PLI1 stubs.
+ *
+ */
+
diff --git a/libveriuser/a_next_port.c b/libveriuser/a_next_port.c
new file mode 100644
index 000000000..dc08aeaec
--- /dev/null
+++ b/libveriuser/a_next_port.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2003 Stephen Williams (steve@icarus.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 of the License, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifdef HAVE_CVS_IDENT
+#ident "$Id: a_next_port.c,v 1.1 2003/10/10 02:57:46 steve Exp $"
+#endif
+
+# include  <assert.h>
+# include  <ctype.h>
+# include  <acc_user.h>
+# include  <vpi_user.h>
+# include  "priv.h"
+
+handle acc_next_port(handle ref, handle bit)
+{
+      if (pli_trace) {
+	    fprintf(pli_trace, "acc_next_port: enter.\n");
+	    fflush(pli_trace);
+      }
+
+      fprintf(stderr, "acc_next_port: XXXX not implemented. XXXX\n");
+
+      if (pli_trace) {
+	    fprintf(pli_trace, "acc_next_port: return.\n");
+	    fflush(pli_trace);
+      }
+
+      return 0;
+}
+
+
+/*
+ * $Log: a_next_port.c,v $
+ * Revision 1.1  2003/10/10 02:57:46  steve
+ *  Some PLI1 stubs.
+ *
+ */
+
diff --git a/libveriuser/exprinfo.c b/libveriuser/exprinfo.c
new file mode 100644
index 000000000..1cd4f65d5
--- /dev/null
+++ b/libveriuser/exprinfo.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2003 Stephen Williams (steve@icarus.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 of the License, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifdef HAVE_CVS_IDENT
+#ident "$Id: exprinfo.c,v 1.1 2003/10/10 02:57:46 steve Exp $"
+#endif
+
+# include  <assert.h>
+# include  <ctype.h>
+# include  <veriuser.h>
+# include  <vpi_user.h>
+# include  "priv.h"
+
+struct t_tfexprinfo* tf_exprinfo(PLI_INT32 a, struct t_tfexprinfo*ip)
+{
+      if (pli_trace) {
+	    fprintf(pli_trace, "tf_exprinfo: enter.\n");
+	    fflush(pli_trace);
+      }
+
+      fprintf(stderr, "tf_exprinfo: XXXX not implemented. XXXX\n");
+
+      if (pli_trace) {
+	    fprintf(pli_trace, "tf_exprinfo: return.\n");
+	    fflush(pli_trace);
+      }
+      return 0;
+}
+
+
+
+/*
+ * $Log: exprinfo.c,v $
+ * Revision 1.1  2003/10/10 02:57:46  steve
+ *  Some PLI1 stubs.
+ *
+ */
+
diff --git a/libveriuser/nodeinfo.c b/libveriuser/nodeinfo.c
new file mode 100644
index 000000000..6f2736767
--- /dev/null
+++ b/libveriuser/nodeinfo.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2003 Stephen Williams (steve@icarus.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 of the License, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifdef HAVE_CVS_IDENT
+#ident "$Id: nodeinfo.c,v 1.1 2003/10/10 02:57:46 steve Exp $"
+#endif
+
+# include  <assert.h>
+# include  <ctype.h>
+# include  <veriuser.h>
+# include  <vpi_user.h>
+# include  "priv.h"
+
+struct t_tfnoeinfo* tf_nodeinfo(PLI_INT32 a, struct t_tfnodeinfo*ip)
+{
+      if (pli_trace) {
+	    fprintf(pli_trace, "tf_nodeinfo: enter.\n");
+	    fflush(pli_trace);
+      }
+
+      fprintf(stderr, "tf_nodeinfo: XXXX not implemented. XXXX\n");
+
+      if (pli_trace) {
+	    fprintf(pli_trace, "tf_nodeinfo: return.\n");
+	    fflush(pli_trace);
+      }
+      return 0;
+}
+
+
+
+/*
+ * $Log: nodeinfo.c,v $
+ * Revision 1.1  2003/10/10 02:57:46  steve
+ *  Some PLI1 stubs.
+ *
+ */
+
diff --git a/veriuser.h b/veriuser.h
index 2469fbb0f..6aea76e24 100644
--- a/veriuser.h
+++ b/veriuser.h
@@ -1,7 +1,7 @@
 #ifndef __veriuser_H
 #define __veriuser_H
 /*
- * Copyright (c) 2002 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2002-2003 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: veriuser.h,v 1.33 2003/06/13 19:23:41 steve Exp $"
+#ident "$Id: veriuser.h,v 1.34 2003/10/10 02:57:45 steve Exp $"
 #endif
 
 /*
@@ -232,6 +232,21 @@ typedef struct t_tfnodeinfo {
 #define tf_real_node      107
 #define TF_REAL_NODE      tf_real_node
 
+/* Structure used by the tf_exprinfo function. */
+typedef struct t_tfexprinfo {
+      PLI_INT16 expr_type;
+      PLI_INT16 padding;
+      struct t_vecval*expr_value_p;
+      double real_value;
+      char*expr_string;
+      PLI_INT32 expr_ngroups;
+      PLI_INT32 expr_vec_size;
+      PLI_INT32 expr_sign;
+      PLI_INT32 expr_lhs_select;
+      PLI_INT32 expr_rhs_select;
+} s_tfexprinfo, *p_tfexprinfo;
+
+
 /* Extern functions from the library. */
 extern void io_printf (const char *, ...)
       __attribute__((format (printf,1,2)));
@@ -247,6 +262,8 @@ extern int tf_dostop(void);
 extern void tf_error(const char*, ...)
       __attribute__((format (printf,1,2)));
 
+extern struct t_tfexprinfo* tf_exprinfo(PLI_INT32 a, struct t_tfexprinfo*ip);
+
 extern char* tf_getcstringp(int nparam);
 
 extern PLI_BYTE8* tf_getinstance(void);
@@ -342,6 +359,9 @@ EXTERN_C_END
 
 /*
  * $Log: veriuser.h,v $
+ * Revision 1.34  2003/10/10 02:57:45  steve
+ *  Some PLI1 stubs.
+ *
  * Revision 1.33  2003/06/13 19:23:41  steve
  *  Add a bunch more PLI1 routines.
  *