# ERR_set_mark()
# ERR_pop_to_mark()

ERR_pop_to_mark() = ccall((:ERR_pop_to_mark, libssl), Cint, ())
ERR_set_mark() = ccall((:ERR_set_mark, libssl), Cint, ())
ERR_print_errors(file_ptr) =
    ccall((:ERR_print_errors, libssl), Cvoid, (Ptr{Cvoid},), file_ptr)

@enum SSL_VERIFY_ERROR begin
    X509_V_OK = 0
    X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT = 2
    X509_V_ERR_UNABLE_TO_GET_CRL = 3
    X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE = 4
    X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE = 5
    X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY = 6
    X509_V_ERR_CERT_SIGNATURE_FAILURE = 7
    X509_V_ERR_CRL_SIGNATURE_FAILURE = 8
    X509_V_ERR_CERT_NOT_YET_VALID = 9
    X509_V_ERR_CERT_HAS_EXPIRED = 10
    X509_V_ERR_CRL_NOT_YET_VALID = 11
    X509_V_ERR_CRL_HAS_EXPIRED = 12
    X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD = 13
    X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD = 14
    X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD = 15
    X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD = 16
    X509_V_ERR_OUT_OF_MEM = 17
    X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT = 18
    X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN = 19
    X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY = 20
    X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE = 21
    X509_V_ERR_CERT_CHAIN_TOO_LONG = 22
    X509_V_ERR_CERT_REVOKED = 23
    X509_V_ERR_INVALID_CA = 24
    X509_V_ERR_PATH_LENGTH_EXCEEDED = 25
    X509_V_ERR_INVALID_PURPOSE = 26
    X509_V_ERR_CERT_UNTRUSTED = 27
    X509_V_ERR_CERT_REJECTED = 28
    X509_V_ERR_SUBJECT_ISSUER_MISMATCH = 29
    X509_V_ERR_AKID_SKID_MISMATCH = 30
    X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH = 31
    X509_V_ERR_KEYUSAGE_NO_CERTSIGN = 32
    # Unused
    X509_V_ERR_APPLICATION_VERIFICATION = 50
end