# unbound.h only added these constants on 29 Nov 2021:
[
    ["UB_NOERROR",    0],
    ["UB_SOCKET",     -1],
    ["UB_NOMEM",      -2],
    ["UB_SYNTAX",     -3],
    ["UB_SERVFAIL",   -4],
    ["UB_FORKFAIL",   -5],
    ["UB_AFTERFINAL", -6],
    ["UB_INITFAIL",   -7],
    ["UB_PIPE",       -8],
    ["UB_READFILE",   -9],
    ["UB_NOID",      -10],
]