vrfyplugin
struct vrfyplugin *vrfy;
struct vrfyplugin *verifier;
if ((vrfy = calloc(1, sizeof (struct vrfyplugin))) == NULL) {
extern struct vrfyplugin *verifier;
extern struct vrfyplugin *verifier;
extern struct vrfyplugin *verifier;
extern struct vrfyplugin *verifier;
extern struct vrfyplugin *verifier;
extern struct vrfyplugin *verifier;
extern struct vrfyplugin *verifier;
extern struct vrfyplugin *verifier;