As we know, the free() function knows how much of the memory is to be freed from the malloc d memory by using a prefixed integer value stored just at the back of the malloc d pointer. So I tried this ...

What happens if you try to free a memory which is not allocated using malloc/calloc? Here is what I mean : void main() { int temp = 0; int *ptr = &temp; free(ptr); } I thought free() would ...

我正试图少花一席之地,并释放一阵/小 array。 我知道,这可以在一个阵列中进行,但我希望尝试,并以一个小型和免费的方式这样做。

我有点麻烦,需要帮助。

我有以下编码:

有些人可以告诉我: