p |void |vivify_ref |NN SV* sv|U32 to_what
p |I32 |wait4pid |Pid_t pid|NN int* statusp|int flags
p |U32 |parse_unicode_opts|NN const char **popt
-p |U32 |seed
+Ap |U32 |seed
pR |UV |get_hash_seed
p |void |report_evil_fh |NULLOK const GV *gv|NULLOK const IO *io|I32 op
pd |void |report_uninit |NULLOK SV* uninit_sv