c99

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Accessing void * struct

I\'m trying to find the bug in my implementation here, where I store a struct in another struct and cannot seem to access the value stored. I define two structs.[详细]

2023-02-28 14:06 分类：问答
Accessing arrays in a pointer to a struct

I have a simple struct: typedef struct { void *things; int sizeOfThings; } Demo; things is intended to contain an array of individual \"thing\", like maybe strings or ints.[详细]

2023-02-27 16:38 分类：问答
C99, "Despite the name, a non-directive is a preprocessing directive."

What does the quoted footnote in the title mean? It\'s a footnote attached to 6.10.3p11 If there are sequences of preprocessing tokens within the list of arguments that would otherwise act as prepro[详细]

2023-02-26 02:47 分类：问答
What should replace "memcpy" inside OpenCL kernels?

The OpenCL language, which extends C99, does not provide the memcpy fu开发者_如何学JAVAnction. What should be used instead?As far as I know, there is nothing like that defined in OpenCL. OpenCL does n[详细]

2023-02-25 21:34 分类：问答
Shift right ">>" in C99 [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: Weird behavior of right shift operator[详细]

2023-02-25 11:47 分类：问答
Returning and manipulating returned values in C

I\'m having a hard time understanding the ways C handles returned values. Say for example we have: int one = 0;[详细]

2023-02-23 03:58 分类：问答
Standard alternative to GCC's ##__VA_ARGS__ trick?

There is a well-known problem with empty args for variadic macros in C99. example: #define FOO(...)printf(__VA_ARGS__)[详细]

2023-02-23 02:14 分类：问答
Compound literals and function-like macros: bug in gcc or the C standard?

In C99, we have compound literals, and they can be passed to func开发者_JS百科tions as in: f((int[2]){ 1, 2 });[详细]

2023-02-22 12:44 分类：问答
Reasons not to use _Bool in Objective-C?

Since C99, C now has a proper Boolean type, _Bool. Objective-C, as a strict superset of C, inherits this, but when it was created back in the 1980s, there was no C Boolean type, so Objective-C defined[详细]

2023-02-21 08:48 分类：问答
Flexible array member (c99) inside a structure

I\'ve being using this code a while now, and it works fine, but it gave me some headache to implement it. It uses Flexible Array Member (FAM) aka Struct Hack. Now that C99 has the possibility of using[详细]

2023-02-20 19:41 分类：问答