动态打印，就是你可以设定在某一行后打印相关的数据，而无需设置断点，比如
dprintf 6,"Hello, World!\n"
dprintf 11,"i = %d, a = %d, b = %d\n",i,a,b
dprintf 14,"Leaving! Bye bye!\n"

挺有意思的
--
FROM 120.229.14.*