/* Test of substitute. Copyright (C) 2007-2009 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /* Written by Bruno Haible , 2007. */ #include #include /* Check that the 'struct timeval' type is defined. */ struct timeval t1; int main () { /* Check that FD_ZERO can be used. This should not yield a warning such as "warning: implicit declaration of function 'memset'". */ fd_set fds; FD_ZERO (&fds); return 0; }