pass1
void pass1(void);
pass1();
void pass1(void);
pass1();
app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
*pass1 = app_get_pass(err, arg1, same);
if (!*pass1)
} else if (pass1)
*pass1 = NULL;
int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2);