Perl_ck_eval
Perl_ck_exec
Perl_ck_exists
+Perl_ck_exit
Perl_ck_ftst
Perl_ck_fun
Perl_ck_fun_locale
Perl_ck_match
Perl_ck_method
Perl_ck_null
+Perl_ck_open
Perl_ck_repeat
Perl_ck_require
Perl_ck_rfun
Perl_ck_spair
Perl_ck_split
Perl_ck_subr
+Perl_ck_substr
Perl_ck_svconst
Perl_ck_trunc
Perl_pp_null