--- 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: