/* Copyright (C) 1992-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #undef ssize_t #define ssize_t _IO_ssize_t int main (int argc, char *argv[]) { char *buf = NULL; size_t size = 0; ssize_t len; while ((len = getline (&buf, &size, stdin)) != -1) { printf ("bufsize %Zu; read %Zd: ", size, len); if (fwrite (buf, len, 1, stdout) != 1) { perror ("fwrite"); return 1; } } if (ferror (stdin)) { perror ("getline"); return 1; } return 0; }