Sizeof(array pointer)在PTT/mobile01評價與討論，在ptt社群跟網路上大家這樣說

Sizeof(array pointer)在12.4: Arrays, Pointers and Such - Engineering LibreTexts

The pointer ptr, and all pointers, are 8 bytes, because they hold addresses, which are 8 bytes, or 64 bits. Output: Size of arr[] 24 Size of ptr ...

Sizeof(array pointer)在Find size of an array using pointer hack in C/C++ - Medium

We can find the size of an array in C/C++ using 'sizeof' operator. Today we'll learn about a small pointer hack, so that we will be able to ...

Sizeof(array pointer)在Do Not Use sizeof For Array Parameters in C - GeeksforGeeks

Using sizeof directly to find the size of arrays can result in an error in the code, as array parameters are treated as pointers.

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Sizeof(array pointer)在Arrays are not pointers - Panix

sizeof (array depends on both the size of the array, and the element type. One can do pointer arithmatic with pointers, but not with arrays. To do pointer ...

Sizeof(array pointer)在ARR01-C. Do not apply the sizeof operator to a pointer when ...

The function clear() uses the idiom sizeof(array) / sizeof(array[0]) to determine the number of elements in the array. However, array has a pointer type ...

Sizeof(array pointer)在Find the size of an array in C using sizeof operator and pointer ...

The trick is to use the expression (&arr)[1] - arr to get the array arr size. Both arr and &arr points to the same memory location, but they both have different ...

Sizeof(array pointer)在How to calculate size of array from pointer variable?

1. If you have only a pointer, the answer is no. ... std::size_t getsize(int* parray) { return 0; // sorry, no way to tell! } 2. If you have s ...

Sizeof(array pointer)在c - How to find the size of an array (from a pointer pointing to ...

The compiler doesn't know what the pointer is pointing to. There are tricks, like ending the array with a known out-of-band value and then counting the size ...