1 /* xsystem.h - system(3) with error messages 2 3 Carl D. Worth 4 5 Copyright (C) 2001 University of Southern California 6 7 This program is free software; you can redistribute it and/or 8 modify it under the terms of the GNU General Public License as 9 published by the Free Software Foundation; either version 2, or (at 10 your option) any later version. 11 12 This program is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 General Public License for more details. 16 */ 17 18 #ifndef XSYSTEM_H 19 #define XSYSTEM_H 20 21 /* Like system(3), but with error messages printed if the fork fails 22 or if the child process dies due to an uncaught signal. Also, the 23 return value is a bit simpler: 24 25 -1 if there was any problem 26 Otherwise, the 8-bit return value of the program ala WEXITSTATUS 27 as defined in <sys/wait.h>. 28 */ 29 int xsystem(const char *argv[]); 30 31 #endif 32
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