Array
It is noted that the array name stored inside a first address of the array, but the name of the array is equivalent to a pointer, because the team with the array name sizeof operator can calculate the size of the entire array directly, and to return sizeof pointer is a pointer size.
c language to do when array bounds checking, use the time to pay attention.
It does not initialize an array whose elements are random default value. If a part of the assignment, the remaining value of 0.