perf_exe
perf_exe(perf, sizeof(perf));
perf_exe(path, sizeof(path));
perf_exe(perf, sizeof(perf));
perf_exe(td.perf, sizeof(td.perf));
perf_exe(filename, max_sz);
const char *perf = perf_exe(pbuf, sizeof pbuf);
const char *perf = perf_exe(pbuf, sizeof pbuf);
buf = perf_exe(pbuf, MAXPATHLEN);
perf_exe(tpath, sizeof(tpath));
char *perf_exe(char *buf, int len);