$ WC "d_gmtime_r='undef'" ! leave undef'd; we use my_gmtime
$ WC "d_localtime_r='undef'" ! leave undef'd; we use my_localtime
$ WC "d_random_r='undef'"
-$ WC "d_readdir_r='undef'" ! leave undef'd; we use Perl_readdir
+$ WC "d_readdir_r='define'" ! always defined; we roll our own
$ WC "d_readdir64_r='undef'"
$ WC "d_setgrent_r='undef'"
$ WC "d_sethostent_r='undef'"
$ WC "gmtime_r_proto='0'"
$ WC "localtime_r_proto='0'"
$ WC "random_r_proto='0'"
-$ WC "readdir_r_proto='0'" ! leave undef'd; we use Perl_readdir
+$ WC "readdir_r_proto='REENTRANT_PROTO_I_TSR'" ! always defined; we roll our own
$ WC "readdir64_r_proto='0'"
$ WC "setgrent_r_proto='0'"
$ WC "sethostent_r_proto='0'"