p |int |magic_setnkeys |SV* sv|MAGIC* mg
p |int |magic_setpack |SV* sv|MAGIC* mg
p |int |magic_setpos |SV* sv|MAGIC* mg
+p |int |magic_setregexp|SV* sv|MAGIC* mg
p |int |magic_setsig |SV* sv|MAGIC* mg
p |int |magic_setsubstr|SV* sv|MAGIC* mg
p |int |magic_settaint |SV* sv|MAGIC* mg