#define PERL_MAGIC_sv '\0' /* Special scalar variable */
#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
+#define PERL_MAGIC_proto '&' /* my sub prototype CV */
#define PERL_MAGIC_pos '.' /* pos() lvalue */
#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
#define PERL_MAGIC_backref '<' /* for weak ref data */