int num_elements = sizeof things / sizeof (short);
this is a use of the function "sizeof", in use of this function we can stop of crossing the border of the array.
this is a use of the function "sizeof", in use of this function we can stop of crossing the border of the array.
原文链接: https://www.cnblogs.com/henyihanwobushi/archive/2012/09/04/2671174.html
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