[in] Pointer to the starting address of the block of memory to fill with zeros.
[in] Pointer to the starting address of the block of memory to fill with zeros.
指向一块准备用0来填充的内存区域的开始地址。
[in] Pointer to the starting address of the block of memory to fill with zeros.
指向一块准备用0来填充的内存区域的开始地址。