argv_buf          162 util_exec.cpp    char argv_buf[len + 1];
argv_buf          169 util_exec.cpp    ssize_t ret = readAll(fd, argv_buf, len);
argv_buf          174 util_exec.cpp    *isElf = (memcmp(magic_elf, argv_buf, strlen(magic_elf)) == 0);
argv_buf          175 util_exec.cpp    *is32bitElf = (memcmp(magic_elf32, argv_buf, strlen(magic_elf32)) == 0);