second keyboard for macros

Standard C-language preprocessing requires defining some object macros, with the name of each of the predefined macros beginning and ending with one or two underscore characters that cannot be undefined (#undef) or redefined by programmers. The following predefined macro table, I copied it down.__line__ the line number of the current program line, expressed as a decimal integer constant__file__ the current

Some object macros are defined in standard C and each compiler. These macros start and end with "_" and are all uppercase characters. these predefined macros can be # UNDEF or redefined. The _ file __,__ line __,__ data __,__ time __,__ stdc _ Standard predefined macros are defined in the ansi c standard. GCC extends i

Using macros to call DirectX com Many Microsoft DirectX interfaces define a macro for each method, which makes it easier to use these methods in your application. You will find these macros in the header file of the interface declaration. These macros are designed to be Macros in C and

Preface: If you are familiar with C language, you should be familiar with macros. macros are often used in C language programming. The main purpose of using macros is to facilitate programming for programmers, in addition, the program efficiency can be improved to a certain extent. The macro definition command in C language is # define. The following are some sma

Preface: If you are familiar with C language, you should be familiar with macros. macros are often used in C language programming. The main purpose of using macros is to facilitate programming for programmers, in addition, the program efficiency can be improved to a certain extent. The macro definition command in C language is # define. The following are some sm

This article tests three compilers, namely VC, mingw, and GCC, in 32-bit and 64-bit modes. In six cases, the predefined macro values related to 64-bit programming are used. It is of reference significance for cross-platform programming. Agner fog mentioned some reservation Macros in his calling conventions for different C ++ compilers and operating systems. The following is an excerpt. Note: The following content is from calling conventions for diffe

------ ManyProgramThe clerk does not know what the "macro" in C really means? In particular, macros and functions are often confused when they have parameters. Here I want to talk about "macros". macros are just a definition. They define a statement block. When the program is compiled, the compiler must first execute an action to replace the source program and

In Word, it's not difficult to learn to create macros, but it's important to delete them on the basis that they're created. Of course, a lot of friends, not even a macro understand, how can you understand the method of deleting macros? Next, is the master introduced the commonly used to delete a single macro method. Word Open Word 2003, click the Tools menu, point to

Macro: Use a string to replace an expression code or function call code. Before compilation, the Preprocessor uses the expression code or function call Code represented by this macro string to replace all the macro strings that appear. In this case, the function call Code represented by a macro does not need to open up the function stack, and does not need to protect and restore the function call site. This improves the code execution efficiency, calling a macro is more effective than calling a

1.Inline functions and macros: Inline extension is used to eliminate the time overhead for function calls. It is usually used for frequently executed functions. A function with a small memory space is very beneficial. So what is the relationship between inline functions and Macros ?? In fact, the functions of inline functions are similar to those of preprocessing m