c99

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Why does gcc -ansi remove the declarations of cosf and the like?

You probably think I am completely crazy and terribly bad at programming. One of those may be the case, but please read my findings.[详细]

2023-02-02 08:51 分类：问答
It is possible to mix C89 code with C99 code?

I have doubts about many things related with the different C specifications. If I program a library in C99, can I u开发者_JAVA技巧se it from C89 code? (using only the functions with C89 compliant def[详细]

2023-02-01 15:41 分类：问答
What does GCC __attribute__((mode(XX)) actually do?

This arose from a question earlier today on the subject of bignum libraries and gcc specific hacks to the C language. Specifically, these two declarations were used:[详细]

2023-02-01 12:11 分类：问答
Which version of C is more appropriate for students to learn- C89/90 or C99?

I\'m looking into learning C basics and syntax before beginning Systems Programming next month.When doing some reading, I came across the C89/99 standards.According to Wikipedia,[详细]

2023-01-29 10:41 分类：问答
bool and C/C++ interoperability

When I write a function in C, which may also prove useful in a C++ context, shall I use the bool macro or not? Could that lead to compati开发者_如何学运维bility issues, at C and C++ both define a bool[详细]

2023-01-28 19:04 分类：问答
How do you configure GCC in Eclipse to use C99?

I\'m working on a small C project in Eclipse; I just installed Eclipse from the Ubuntu Software Center and added C/C++ Language Support. I can build, run, and debug s开发者_如何学运维imple C programs[详细]

2023-01-26 17:21 分类：问答
Are there any differences between ANSI C and ISO C?

I understand that there is both an ANSI standard and an ISO standard for C. Are开发者_开发百科 there any differences between these two standards? If so, what are they? And if there is not a difference[详细]

2023-01-26 05:28 分类：问答
Variable-length arrays in C89?

I\'ve read that C89 does not support variable-length arrays, but the following experiment seems to disprove that:[详细]

2023-01-24 21:42 分类：问答
Passing a multidimensional array

I know that for 1-dimensional arrays, I can do... void g(int x[]) {} void f(int a, int b) { int x[a]; 开发者_Python百科g(x);[详细]

2023-01-24 16:34 分类：问答
During C macro expansion, is there a special case for macros that would expand to "/*"?

Here\'s a relevant example. It\'s obviously not valid C, but I\'m just dealing with the preprocessor here, so the code doesn\'t actually have to compile.[详细]

2023-01-24 14:13 分类：问答