ub_ctx_set_option
int ub_ctx_set_option(struct ub_ctx* ctx, const char* opt, const char* val);
if ((err = ub_ctx_set_option(res->ctx, options[i].name,
if((err = ub_ctx_set_option(res->ctx, "do-ip4:",
if((err = ub_ctx_set_option(res->ctx, "do-ip6:",
if((err = ub_ctx_set_option(res->ctx, "use-syslog:",
ub_ctx_set_option(res->ctx, "tls-cert-bundle:",
ub_ctx_set_option(res->ctx, "tls-cert-bundle:",
ub_ctx_set_option(res->ctx, "tls-cert-bundle:",
if((err = ub_ctx_set_option(res->ctx, "local-zone:",
if ((err = ub_ctx_set_option(ctx, options[i].name,
int ub_ctx_set_option(struct ub_ctx* ctx, const char* opt, const char* val);
r = ub_ctx_set_option(ctx, "auto-trust-anchor-file:", root_anchor_file);
r = ub_ctx_set_option(ctx, "target-fetch-policy:", "0 0 0 0 0");
r = ub_ctx_set_option(ctx, "root-hints:", root_hints);
r = ub_ctx_set_option(ctx, "outgoing-interface:", srcaddr);
r = ub_ctx_set_option(ctx, "do-ip6:", "no");
r = ub_ctx_set_option(ctx, "do-ip4:", "no");
check_ub_res(ub_ctx_set_option(ctx, "target-fetch-policy:", "0 0 0 0 0"));
check_ub_res(ub_ctx_set_option(ctx, "do-ip6:", "no"));
check_ub_res(ub_ctx_set_option(ctx, "do-ip4:", "no"));
check_ub_res(ub_ctx_set_option(ctx,