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 ... ... <看更多>

On 8 bit Arduinos the memory address range is a 16 bit value, so a pointer will always be 2 bytes. ... @Lesto Sure. But that implies some level of ... ... <看更多>

How to find the length of an array in C using the sizeof () operator, including alternatives to using sizeof (), and potential pitfalls when ... ... <看更多>

However, array has a pointer type because it is a parameter. As a result, sizeof(array) is equal to the sizeof(int *) . For example, on an architecture (such as ... ... <看更多>

However, array has a pointer type because it is a parameter. As a result, sizeof(array) is equal to the sizeof(int *) . For example, on an architecture (such as ... ... <看更多>

However, array has a pointer type because it is a parameter. As a result, sizeof(array) is equal to the sizeof(int *) . For example, on an architecture (such as ... ... <看更多>

Thus, an array parameter to a function is actually equivalent to a pointer parameter, regardless of whether or not the parameter includes a size:. ... <看更多>