}
STATIC HV *
-S_find_in_my_stash(pTHX_ char *pkgname, I32 len)
+S_find_in_my_stash(pTHX_ const char *pkgname, I32 len)
{
GV *gv;
and type is used with error messages only. */
STATIC SV *
-S_new_constant(pTHX_ char *s, STRLEN len, const char *key, SV *sv, SV *pv,
+S_new_constant(pTHX_ const char *s, STRLEN len, const char *key, SV *sv, SV *pv,
const char *type)
{
dSP;