flowspec_fmt_num_op
fmt = flowspec_fmt_num_op(comp, complen, &off);
fmt = flowspec_fmt_num_op(comp, complen, &off);
const char *flowspec_fmt_num_op(const uint8_t *, int, int *);
fmt = flowspec_fmt_num_op(comp, complen, &off);
fmt = flowspec_fmt_num_op(comp, complen, &off);