```{index} single: cv_gv; B function ``` ```{index} single: B::cv_gv; Perl function ``` # cv_gv Return the `B::GV` that a named CV belongs to. ## Synopsis ```perl my $cv = B::svref_2object(\&main::foo); my $gv = $cv->GV; # B::GV for *main::foo print $gv->NAME; # "foo" ``` Anonymous and lexical subs may return a `B::SPECIAL` or a sentinel rather than a real `B::GV`; check with `isa` before calling `NAME`.