{
char dispStr[512] = "";
char cmdStr[512] = "";
sprintf(dispStr, "damon %s", msg);
sprintf(cmdStr, "echo \"%s\" > /tmp/damon.log\n", dispStr);
system(cmdStr);
}
printf不可用时的替代方案
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转载自blog.csdn.net/abc3240660/article/details/82225915
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