Apd |I32 |unpackstring |NN const char *pat|NN const char *patend|NN const char *s \
|NN const char *strend|U32 flags
Ap |void |unsharepvn |NULLOK const char* sv|I32 len|U32 hash
-XEp |void |unshare_hek |NULLOK HEK* hek
+p |void |unshare_hek |NULLOK HEK* hek
#ifdef PERL_MAD
p |OP * |utilize |int aver|I32 floor|NULLOK OP* version \
|NN OP* idop|NULLOK OP* arg