//-*-c++-*- #ifndef _helper_routines_h_ #define _helper_routines_h_ #include #include #include /* Here are helper routines that we've provided for you */ int parseline(const char *cmdline, char **argv); void sigquit_handler(int sig); void usage(void); void unix_error(const char *msg); void app_error(const char *msg); typedef void handler_t(int); handler_t *Signal(int signum, handler_t *handler); #endif