I want to perform check for memory alignment of some type T. The straightforward way to do this is if (((uintptr_t)&var & __alignof(T) - 1) == 0) ...
I\'ve got this pieceof code. It appears to dereference a null pointer here, but then bitwise-ANDs the result with unsigned int. I really don\'t understand the whole 开发者_如何学Gopart. What is it int
I can\'t get why the following bit of C code doesn\'t work: int obtainStringLength(char* str, char c1, char c2) {
i am having a problem while populating the structure members with address reference but when it is done using the member it self then its fine.
Starting from FW 4.0, the IntPtr structure has the Add method: public static IntPtr Add( IntPtr pointer,
I want to take some fields from packet struct using pointer arithmetic.But what is wrong with the code below ?
If I do *ptr[x], is that equivalent to *(ptr[x]), or开发者_如何学Python (*ptr)[x]?*(ptr[x]) See the Wikipedia operator precedence table, or, for a more detailed table, this C/C++ specific table.In C,
When a pointer to a particular type (say int, char, float, ..) is incremented, its value is increased by the size of that data type. If a void pointer which points to data of size x is incremented, ho
I\'m having trouble understanding the behavior of the MS VC compiler on this one. This line compiles fine, but the result I get is not 开发者_如何转开发what I\'d expect at all:
Consider the following statements: int*pFarr, *pVarr; intfarr[3] = {11,22,33}; intvarr[3] = {7,8,9}; pFarr = &(farr[0]);
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