diff -ru FreeWnn-1.1.1-a017.orig/Xsi/Wnn/jlib/js.c FreeWnn-1.1.1-a017/Xsi/Wnn/jlib/js.c
--- FreeWnn-1.1.1-a017.orig/Xsi/Wnn/jlib/js.c	2000-03-02 16:32:39.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/Wnn/jlib/js.c	2005-04-13 14:31:12.000000000 +0200
@@ -86,7 +86,7 @@
 #ifdef hpux
 void *malloc (size_t);
 #else
-char *malloc ();
+void *malloc (size_t);
 #endif /* hpux */
 
 #ifdef SYSVR2
diff -ru FreeWnn-1.1.1-a017.orig/Xsi/Wnn/jlib.V3/jlv3.c FreeWnn-1.1.1-a017/Xsi/Wnn/jlib.V3/jlv3.c
--- FreeWnn-1.1.1-a017.orig/Xsi/Wnn/jlib.V3/jlv3.c	2000-02-23 16:55:40.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/Wnn/jlib.V3/jlv3.c	2005-04-13 14:31:12.000000000 +0200
@@ -58,7 +58,7 @@
 #ifdef  SYSVR2
 #include <malloc.h>
 #else
-extern char *malloc ();
+extern void *malloc (size_t);
 #endif
 
 #include "jllib.h"
diff -ru FreeWnn-1.1.1-a017.orig/Xsi/Wnn/jutil/atod.c FreeWnn-1.1.1-a017/Xsi/Wnn/jutil/atod.c
--- FreeWnn-1.1.1-a017.orig/Xsi/Wnn/jutil/atod.c	2000-02-23 16:31:39.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/Wnn/jutil/atod.c	2005-04-13 14:31:12.000000000 +0200
@@ -94,7 +94,7 @@
 int tnum = 0;
 struct uind2 *uhopter;
 
-char *malloc ();
+void *malloc (size_t);
 char *hinsi_file_name = NULL;
 
 
diff -ru FreeWnn-1.1.1-a017.orig/Xsi/Wnn/uum/history.c FreeWnn-1.1.1-a017/Xsi/Wnn/uum/history.c
--- FreeWnn-1.1.1-a017.orig/Xsi/Wnn/uum/history.c	2000-02-23 16:31:43.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/Wnn/uum/history.c	2005-04-13 14:34:00.000000000 +0200
@@ -55,7 +55,7 @@
 int
 init_history ()
 {
-  char *malloc ();
+  void *malloc (size_t);
   int size1;
   char *area_pter;
 
@@ -93,7 +93,7 @@
      register w_char *wstr;
      register int n;
 {
-  extern char *malloc ();
+  extern void *malloc (size_t);
 
   if (!history_cunt)
     return (0);
diff -ru FreeWnn-1.1.1-a017.orig/Xsi/Wnn/uum/jhlp.c FreeWnn-1.1.1-a017/Xsi/Wnn/uum/jhlp.c
--- FreeWnn-1.1.1-a017.orig/Xsi/Wnn/uum/jhlp.c	2000-02-23 17:08:49.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/Wnn/uum/jhlp.c	2005-04-13 15:05:29.000000000 +0200
@@ -125,7 +125,8 @@
 extern char *optarg;
 extern int optind;
 
-extern char *ttyname (), *malloc (), *getenv ();
+extern char *ttyname (), *getenv ();
+extern void *malloc (size_t);
 
 static void save_signals ();
 static void restore_signals ();
@@ -1351,7 +1352,7 @@
      char *value;
 {
   extern char **environ;
-  char *malloc ();
+  void *malloc (size_t);
   char **newenv;
   register int i, j;
 
diff -ru FreeWnn-1.1.1-a017.orig/Xsi/Wnn/uum/prologue.c FreeWnn-1.1.1-a017/Xsi/Wnn/uum/prologue.c
--- FreeWnn-1.1.1-a017.orig/Xsi/Wnn/uum/prologue.c	2000-02-23 16:31:44.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/Wnn/uum/prologue.c	2005-04-13 14:31:12.000000000 +0200
@@ -122,7 +122,7 @@
 int
 allocate_areas ()
 {
-  char *malloc ();
+  void *malloc (size_t);
   char *area_start;
   char *area_pter;
 
@@ -267,7 +267,7 @@
   WnnEnv *save_cur_normal_env = NULL, *save_cur_reverse_env = NULL;
   int (*yes_no_func) ();
   void (*puts_func) ();
-  extern char *malloc ();
+  extern void *malloc (size_t);
 
   if (first == 0)
     {
diff -ru FreeWnn-1.1.1-a017.orig/Xsi/Wnn/uum/termcap.c FreeWnn-1.1.1-a017/Xsi/Wnn/uum/termcap.c
--- FreeWnn-1.1.1-a017.orig/Xsi/Wnn/uum/termcap.c	2000-02-23 16:31:44.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/Wnn/uum/termcap.c	2005-04-13 14:31:31.000000000 +0200
@@ -261,7 +261,7 @@
 {
   char *name1;
   char *c;
-  extern char *malloc ();
+  extern void *malloc (size_t);
 
   if ((name1 = malloc (strlen (name) + 1024)) == NULL)
     {