bpf_stream_print_stack
BTF_ID_FLAGS(func, bpf_stream_print_stack, KF_IMPLICIT_ARGS)
BTF_ID(func, bpf_stream_print_stack)
return bpf_stream_print_stack(BPF_STDERR);
return bpf_stream_print_stack((enum bpf_stream_id)0xbadcafe);
ret = bpf_stream_print_stack(BPF_STDERR);