Function isTTY

system/lib/wasmfs/syscalls.cpp:1309–1314

}

static bool isTTY(std::shared_ptr<File>& file) {
  // TODO: Full TTY support. For now, just see stdin/out/err as terminals and
  //       nothing else.
  return file == SpecialFiles::getStdin() ||
         file == SpecialFiles::getStdout() || file == SpecialFiles::getStderr();
}

int __syscall_ioctl(int fd, int request, ...) {
  auto openFile = wasmFS.getFileTable().locked().getEntry(fd);