PERL_CALLCONV TOKEN* Perl_newTOKEN(pTHX_ I32 optype, YYSTYPE lval, MADPROP* madprop);
-PERL_CALLCONV void Perl_token_free(pTHX_ TOKEN* arg);
-PERL_CALLCONV void Perl_token_getmad(pTHX_ TOKEN* arg, OP* o, char slot);
+PERL_CALLCONV void Perl_token_free(pTHX_ TOKEN* arg)
+ __attribute__nonnull__(pTHX_1);
+
+PERL_CALLCONV void Perl_token_getmad(pTHX_ TOKEN* arg, OP* o, char slot)
+ __attribute__nonnull__(pTHX_1);
+
PERL_CALLCONV void Perl_op_getmad_weak(pTHX_ OP* from, OP* o, char slot);
PERL_CALLCONV void Perl_op_getmad(pTHX_ OP* from, OP* o, char slot);
PERL_CALLCONV void Perl_prepend_madprops(pTHX_ MADPROP* mp, OP* o, char slot);
PERL_CALLCONV void Perl_append_madprops(pTHX_ MADPROP* tm, OP* o, char slot);
PERL_CALLCONV void Perl_addmad(pTHX_ MADPROP* tm, MADPROP** root, char slot);
-PERL_CALLCONV MADPROP* Perl_newMADsv(pTHX_ char key, SV* sv);
+PERL_CALLCONV MADPROP* Perl_newMADsv(pTHX_ char key, SV* sv)
+ __attribute__nonnull__(pTHX_2);
+
PERL_CALLCONV MADPROP* Perl_newMADPROP(pTHX_ char key, char type, void* val, I32 vlen);
PERL_CALLCONV void Perl_mad_free(pTHX_ MADPROP* mp);