/* * have_getprid - determine if we have getprid() * * Copyright (C) 1999,2021 Landon Curt Noll * * Calc is open software; you can redistribute it and/or modify it under * the terms of the version 2.1 of the GNU Lesser General Public License * as published by the Free Software Foundation. * * Calc 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. * * A copy of version 2.1 of the GNU Lesser General Public License is * distributed with calc under the filename COPYING-LGPL. You should have * received a copy with calc; if not, write to Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * Under source code control: 1999/10/20 23:43:42 * File existed as early as: 1999 * * chongo /\oo/\ http://www.isthe.com/chongo/ * Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/ */ /* * usage: * have_getprid * * Not all systems have the getprid() function, so this may not * compile on your system. * * This prog outputs several defines: * * HAVE_GETPRID * defined ==> use getprid() * undefined ==> do not or cannot call getprid() */ #include #include "have_unistd.h" #if defined(HAVE_UNISTD_H) #include #endif int main(void) { #if defined(HAVE_NO_GETPRID) printf("#undef HAVE_GETPRID /* no */\n"); #else /* HAVE_NO_GETPRID */ (void) getprid(); printf("#define HAVE_GETPRID /* yes */\n"); #endif /* HAVE_NO_GETPRID */ /* exit(0); */ return 0; }