void to int
You need to cast the pointer to an int * , then dereference the pointer. int i = *(int *)id;., Assuming that your &a0 and &b0 are supposed to be &a and &b, and that you mean args0[1] for setting up long d, you have stored a pointer to ...
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 void to int 相關參考資料
Explanation of converting from void* to int in c - Stack Overflow
That's not converting a void * to an int . It's interpreting whatever the void * is pointing at as an int . Break it down: val1 // void pointer - not ... https://stackoverflow.com Convert from void * to int - Stack Overflow
You need to cast the pointer to an int * , then dereference the pointer. int i = *(int *)id;. https://stackoverflow.com How do I convert from void * back to int - Stack Overflow
Assuming that your &a0 and &b0 are supposed to be &a and &b, and that you mean args0[1] for setting up long d, you have stored a pointer to ... https://stackoverflow.com Question about converting `void *` to `int` in C - Stack Overflow
You're return ing the value of int sum by setting a void * address to it. In this case, the address is not valid. But, if you keep that in mind and get ... https://stackoverflow.com Casting from void* to int - Stack Overflow
That's not a cast, that's a dereference. You want: id = (int) x;. https://stackoverflow.com Convert "void*" to int without warning - Stack Overflow
You are probably looking for something along the lines of int x = static_cast<int>(reinterpret_cast<std::uintptr_t>(p));. This is not strictly ... https://stackoverflow.com converting from void* to int in c++ - Stack Overflow
In C++ you can't automatically convert from const void* to const char* . You need an explicit static cast: int i=atoi(static_cast<const ... https://stackoverflow.com C -- (void*) to int - Stack Overflow
Is your code all in one function? If not, int int_data is getting popped off the stack (not your queue, the actual stack) which is probably why you ... https://stackoverflow.com [C語言] 指標教學[六] — 1: void pointer - MuLong PuYang ...
我們知道指標的形式可以是int, char, short...等等之類的，但是其實指標的形式也可以是void，void pointer 的作用其實很大，當我們認為這個變數可以 ... https://medium.com |