1.如何将 syslog在打印到 message 时,同时打印到终端上,设置标记LOG_PERROR 即可。man openlogLOG_PERROR (Not in POSIX.1-2001.) Print to stderr as well.openlog("syslog_test", LOG_PID | LOG_NDELAY | LOG_CONS | LOG_PERROR, LOG_LOCAL4); syslog(LOG_ALERT, "MYTEST->Exiting due to unexpected forced shutdown");