bpf/bpftool/perf.c

159 	const char *pch;
168 		pch = proc_de->d_name;
171 		while (isdigit(*pch)) {
172 			pid = pid * 10 + *pch - '0';
173 			pch++;
175 		if (*pch != '\0')
188 			pch = pid_fd_de->d_name;
191 			while (isdigit(*pch)) {
192 				fd = fd * 10 + *pch - '0';
193 				pch++;
195 			if (*pch != '\0')