diff --git a/ChangeLog b/ChangeLog
index e77c4cfab..fd83c92b2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2010-06-27  Robert Larice
+ * src/include/ipcproto.h,
+ * src/xspice/cmpp/ifs_yacc.y,
+ * src/xspice/cmpp/mod_yacc.y,
+ * src/xspice/cmpp/pp_mod.c,
+ * src/xspice/cmpp/read_ifs.c :
+	ansi function declarations (prototypes)
+
 2010-06-27  Robert Larice
  * src/main.c,
  * src/spicelib/devices/dev.c,
@@ -45,7 +53,7 @@
  * src/spicelib/parser/inppas1.c,
  * src/xspice/ipc/ipcsockets.c :
 	remove redundant nested function declarations
-	
+
 2010-06-25  Robert Larice
  * src/frontend/hpgl.h,
  * src/frontend/parser/glob.c,
diff --git a/src/include/ipcproto.h b/src/include/ipcproto.h
index b211baf6b..24048dadc 100755
--- a/src/include/ipcproto.h
+++ b/src/include/ipcproto.h
@@ -24,10 +24,10 @@ Ipc_Status_t ipc_send_double_array (char *tag , int array_len , double *value );
 Ipc_Status_t ipc_send_complex_array (char *tag , int array_len , Ipc_Complex_t *value );
 Ipc_Status_t ipc_send_boolean_array (char *tag , int array_len , Ipc_Boolean_t *value );
 Ipc_Status_t ipc_send_string_array (char *tag , int array_len , char **value );
-Ipc_Status_t ipc_send_evtdict_prefix ();
-Ipc_Status_t ipc_send_evtdict_suffix ();
-Ipc_Status_t ipc_send_evtdata_prefix ();
-Ipc_Status_t ipc_send_evtdata_suffix ();
+Ipc_Status_t ipc_send_evtdict_prefix (void );
+Ipc_Status_t ipc_send_evtdict_suffix (void );
+Ipc_Status_t ipc_send_evtdata_prefix (void );
+Ipc_Status_t ipc_send_evtdata_suffix (void );
 Ipc_Status_t ipc_send_event(int, double, double, char *, void *, int);
 
 /* IPCtiein.c */
diff --git a/src/xspice/cmpp/ifs_yacc.y b/src/xspice/cmpp/ifs_yacc.y
index 66578cea1..914f1faff 100755
--- a/src/xspice/cmpp/ifs_yacc.y
+++ b/src/xspice/cmpp/ifs_yacc.y
@@ -93,7 +93,7 @@ extern int yyival;
 extern double yydval;
 extern char *ifs_yytext;
 extern void yyerror (char*);
- extern int ifs_yylex();
+ extern int ifs_yylex(void);
 
 Boolean_t parser_just_names;
 static Boolean_t saw_model_name;
diff --git a/src/xspice/cmpp/mod_yacc.y b/src/xspice/cmpp/mod_yacc.y
index 2b6fcfb04..0c9d56685 100755
--- a/src/xspice/cmpp/mod_yacc.y
+++ b/src/xspice/cmpp/mod_yacc.y
@@ -53,6 +53,8 @@ NON-STANDARD FEATURES
 #include <stdlib.h>
 #include "mod_yacc_y.h"
 
+extern int mod_yylex(void);
+
 #define	yymaxdepth mod_yymaxdepth
 #define	yyparse	mod_yyparse
 #define	yylex	mod_yylex
diff --git a/src/xspice/cmpp/pp_mod.c b/src/xspice/cmpp/pp_mod.c
index cb414dca2..cef47af32 100755
--- a/src/xspice/cmpp/pp_mod.c
+++ b/src/xspice/cmpp/pp_mod.c
@@ -60,7 +60,7 @@ NON-STANDARD FEATURES
 #include <unistd.h>
 #include  "cmpp.h"
 
-extern int mod_yyparse();
+extern int mod_yyparse(void);
 extern void mod_yyrestart (FILE*);
 
 /*---------------------------------------------------------------------------*/
diff --git a/src/xspice/cmpp/read_ifs.c b/src/xspice/cmpp/read_ifs.c
index f26f0b5ac..498a58c21 100755
--- a/src/xspice/cmpp/read_ifs.c
+++ b/src/xspice/cmpp/read_ifs.c
@@ -51,7 +51,7 @@ NON-STANDARD FEATURES
 #include  "cmpp.h"
 
 extern char *prog_name;
-extern int ifs_yyparse ();
+extern int ifs_yyparse (void);
 extern void ifs_yyrestart (FILE*);
 
 void  *malloc(unsigned size);