char *reqin = NULL, *respin = NULL;
char *reqout = NULL, *respout = NULL;
char *signfile = NULL, *keyfile = NULL;
char *reqin = NULL, *respin = NULL;
char *reqout = NULL, *respout = NULL;
char *signfile = NULL, *keyfile = NULL;
sk_X509_pop_free(verify_other, X509_free);
sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
sk_X509_pop_free(verify_other, X509_free);
sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);