pub unsafe extern "C" fn Perl_gp_dup(
my_perl: *mut PerlInterpreter,
gp: *mut GP,
param: *mut CLONE_PARAMS,
) -> *mut GP
pub unsafe extern "C" fn Perl_gp_dup(
my_perl: *mut PerlInterpreter,
gp: *mut GP,
param: *mut CLONE_PARAMS,
) -> *mut GP