*/
STATIC SV *
-isa_lookup(HV *stash, char *name, int len, int level)
+isa_lookup(HV *stash, const char *name, int len, int level)
{
AV* av;
GV* gv;
}
bool
-sv_derived_from(SV *sv, char *name)
+sv_derived_from(SV *sv, const char *name)
{
SV *rv;
char *type;