Systemd/src/resolve/dns_type-to-name.awk

BEGIN{ print "const char *dns_type_to_string(int type) {\n\tswitch(type) {" }
{
    printf "        case DNS_TYPE_%s: return ", $1;
    sub(/_/, "-");
    printf "\"%s\";\n", $1
}
END{ print "        default: return NULL;\n\t}\n}\n" }