364 static int __bpf_strtoull(const char *buf, size_t buf_len, u64 flags,  in __bpf_strtoull()  argument
369 	size_t cur_len = buf_len;  in __bpf_strtoull()
374 	if (!buf || !buf_len || !res || !is_negative)  in __bpf_strtoull()
383 	while (cur_buf < buf + buf_len && isspace(*cur_buf))  in __bpf_strtoull()
386 	*is_negative = (cur_buf < buf + buf_len && *cur_buf == '-');  in __bpf_strtoull()
415 static int __bpf_strtoll(const char *buf, size_t buf_len, u64 flags,  in __bpf_strtoll()  argument
422 	err = __bpf_strtoull(buf, buf_len, flags, &_res, &is_negative);  in __bpf_strtoll()
437 BPF_CALL_4(bpf_strtol, const char *, buf, size_t, buf_len, u64, flags,  in BPF_CALL_4()  argument
443 	err = __bpf_strtoll(buf, buf_len, flags, &_res);  in BPF_CALL_4()
462 BPF_CALL_4(bpf_strtoul, const char *, buf, size_t, buf_len, u64, flags,  in BPF_CALL_4()  argument
469 	err = __bpf_strtoull(buf, buf_len, flags, &_res, &is_negative);  in BPF_CALL_4()