p |int |magic_setenv |NN SV* sv|NN MAGIC* mg
dp |int |magic_sethint |NN SV* sv|NN MAGIC* mg
p |int |magic_setisa |NN SV* sv|NN MAGIC* mg
+p |int |magic_setlvref |NN SV* sv|NN MAGIC* mg
p |int |magic_setmglob |NN SV* sv|NN MAGIC* mg
p |int |magic_setnkeys |NN SV* sv|NN MAGIC* mg
p |int |magic_setpack |NN SV* sv|NN MAGIC* mg