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preprocessor    
预处理程序,预处理器

预处理程式,预处理器

preprocessor
预处理器

pre-processor
预处理机


preprocessor
预处理机


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英文字典中文字典相关资料:


  • What does ## mean for the C (C++) preprocessor? - Stack Overflow
    when I run just the preprocessor it expands this as { int var12=100; printf("%d",var12); } which is the reason why the output is 100 Can anybody tell me how why the preprocessor expands var##12 to var12?
  • What does preprocessing exactly mean in compiler
    The preprocessor eliminates most lines that start with # (it only leaves #line directives behind and its own abbreviated variants on #line behind to tell the compiler where the source came from) The compiler proper then sees the result of the pre-processing and compiles the source code that is defined
  • c++ - Preprocessor directives - Stack Overflow
    #include is a preprocessor directive meaning that it is use by the preprocessor part of the compiler This happens 'before' the compilation process The #include needs to specify 'what' to include, this is supplied by the argument iostream This tells the preprocessor to include the file iostream h More information: Preprocessor Directives on MSDN
  • Can Boolean operators be used with the preprocessor?
    FYI, identifiers names, including preprocessor symbols, beginning with an underscore followed by a capital letter (or beginning with two underscores) are reserved to the implementation by the C and C++ standards; they shouldn't really be used in "ordinary" code –
  • C# preprocessor differentiate between operating systems
    @DavidShnayder First, I would remove the problematic preprocessor directives and apply their effect manually (add remove the affected parts of the code) If you don't find the problem this way, you can try the '$(OS)' == 'Windows_NT' condition instead of the IsOSPlatform-based approach –
  • How can I use else if with the preprocessor #ifdef?
    In my project, the program can do one thing of two, but never both, so I decided that the best I can do for one class is to define it depending of a #define preprocessor variable The following code can show you my idea, but you can guess that it does not work:
  • How to compare strings in C conditional preprocessor-directives
    I don't think there is a way to do variable length string comparisons completely in preprocessor directives You could perhaps do the following though: #define USER_JACK 1 #define USER_QUEEN 2 #define USER USER_JACK #if USER == USER_JACK #define USER_VS USER_QUEEN #elif USER == USER_QUEEN #define USER_VS USER_JACK #endif
  • preprocessor - #define in Java - Stack Overflow
    Java doesn't have a general purpose define preprocessor directive In the case of constants, it is recommended to declare them as static finals, like in private static final int PROTEINS = 100; Such declarations would be inlined by the compilers (if the value is a compile-time constant)
  • Why should one bother with preprocessor directives?
    C preprocessor directives macros are just another form of "meta-programming", albeit a relatively cruder form than is available in other languages Preprocessor directives instruct the compiler to do certain things at compile time, such as to ignore certain code on certain platforms, or to find and replace a string in the code with another string
  • Where to specify preprocessor directives in visual studio?
    Trying to define a preprocessor directives in the Visual studio 2012 #define FLAG #endif But not sure, where to include this FLAG in visual studio - C# I remember specifying something like this in C++ projects Any thoughts ?





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