Index: tool/lemon.c
==================================================================
--- tool/lemon.c
+++ tool/lemon.c
@@ -18,11 +18,17 @@
 #	define __WIN32__
 #   endif
 #endif
 
 #ifdef __WIN32__
-extern int access();
+#ifdef __cplusplus
+extern "C" {
+#endif
+extern int access(const char *path, int mode);
+#ifdef __cplusplus
+}
+#endif
 #else
 #include <unistd.h>
 #endif
 
 /* #define PRIVATE static */
@@ -43,11 +49,10 @@
     int i;
     for (i = 0; i < made_files_count; i++) {
         if (!successful_exit) {
             remove(made_files[i]);
         }
-        free((void *) made_files[i]);
     }
     free(made_files);
     made_files_count = 0;
     made_files = NULL;
 }
@@ -397,11 +402,11 @@
   }
   if( rc==0 && ap1->type==REDUCE ){
     rc = ap1->x.rp->index - ap2->x.rp->index;
   }
   if( rc==0 ){
-    rc = ap2 - ap1;
+    rc = (int) (ap2 - ap1);
   }
   return rc;
 }
 
 /* Sort parser actions */
@@ -2757,14 +2762,13 @@
   ** was an error you need to track down.
   */
   if(( *mode=='w' ) && (strcmp(suffix, ".out") != 0)){
     const char **ptr = (const char **)
         realloc(made_files, sizeof (const char **) * (made_files_count + 1));
-    char *fname = strdup(lemp->outname);
+    const char *fname = Strsafe(lemp->outname);
     if ((ptr == NULL) || (fname == NULL)) {
         free(ptr);
-        free(fname);
         memory_error();
     }
     made_files = ptr;
     made_files[made_files_count++] = fname;
   }
@@ -3243,11 +3247,11 @@
       used += n;
       assert( used>=0 );
     }
     n = lemonStrlen(zText);
   }
-  if( n+sizeof(zInt)*2+used >= alloced ){
+  if( (int) (n+sizeof(zInt)*2+used) >= alloced ){
     alloced = n + sizeof(zInt)*2 + used + 200;
     z = (char *) realloc(z,  alloced);
   }
   if( z==0 ) return empty;
   while( n-- > 0 ){