ossl_cmp_hdr_set_pvno
if (!ossl_cmp_hdr_set_pvno(hdr, OSSL_CMP_PVNO))
int ossl_cmp_hdr_set_pvno(OSSL_CMP_PKIHEADER *hdr, int pvno);
if (!ossl_cmp_hdr_set_pvno(msg->header, OSSL_CMP_PVNO_3))
if (!TEST_int_eq(ossl_cmp_hdr_set_pvno(fixture->hdr, pvno), 1))