// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 #include int main() { int c; while ((c = fgetc(stdin)) != -1) { if (c == '\0') break; fputc(c, stdout); fflush(stdout); } return 0; }