TS_REQ_set_msg_imprint
LCRYPTO_USED(TS_REQ_set_msg_imprint);
int TS_REQ_set_msg_imprint(TS_REQ *a, TS_MSG_IMPRINT *msg_imprint);
LCRYPTO_ALIAS(TS_REQ_set_msg_imprint);
if (!TS_REQ_set_msg_imprint(ts_req, msg_imprint))