-/* File name pfx specified with -b, or 0 if no -b. */
-extern char *spec_file_prefix;
+/* Symbol prefix specified with -p, or 0 if no -p. */
+extern const char *spec_name_prefix;
+
+/* File name prefix specified with -b, or 0 if no -b. */
+extern char const *spec_file_prefix;