bpf_strtoul_proto 1056 include/linux/bpf.h extern const struct bpf_func_proto bpf_strtoul_proto;
bpf_strtoul_proto 1300 kernel/bpf/cgroup.c 		return &bpf_strtoul_proto;
bpf_strtoul_proto  480 kernel/bpf/helpers.c const struct bpf_func_proto bpf_strtoul_proto = {