__attribute__((nonnull(pTHX_1)));
PERL_CALLCONV OP* Perl_jmaybe(pTHX_ OP* arg)
__attribute__((nonnull(pTHX_1)));
-PERL_CALLCONV I32 Perl_keyword(pTHX_ char* d, I32 len)
+PERL_CALLCONV I32 Perl_keyword(pTHX_ const char* d, I32 len)
__attribute__((nonnull(pTHX_1)));
PERL_CALLCONV void Perl_leave_scope(pTHX_ I32 base);
PERL_CALLCONV void Perl_lex_end(pTHX);