--- Convert-UUlib-1.8/UUlib.xs	2020-12-12 00:42:37.000000000 +0200

+++ Convert-UUlib-1.8/UUlib.xs	2021-01-12 08:14:20.246354191 +0200

@@ -86,7 +86,7 @@

     if (count != 1)

       croak ("fnamefilter perl callback MUST return a single filename exactly");

-    FP_free (str); str = FP_strdup (SvPV_nolen (TOPs));

+    _FP_free (str); str = _FP_strdup (SvPV_nolen (TOPs));

     PUTBACK; FREETMPS; LEAVE;

@@ -147,10 +147,10 @@

     if (count)

       {

-        FP_free (filename);

+        _FP_free (filename);

         filename = SvOK (TOPs)

-           ? FP_strdup (SvPV_nolen (TOPs))

+           ? _FP_strdup (SvPV_nolen (TOPs))

            : 0;

       }

@@ -510,8 +510,8 @@

         CODE:

         if (newfilename)

 	  {

-            FP_free (li->filename);

-	    li->filename = FP_strdup (newfilename);

+            _FP_free (li->filename);

+	    li->filename = _FP_strdup (newfilename);

           }

         RETVAL = li->filename;

         OUTPUT: