main function

Reprint: http://blog.csdn.net/fakine/article/details/42107571First, learning a bit1, the Machine service view: services.msc/s2, the Service manual installation (using Sc.exe):Create a serviceSC create ServiceName binpath= "C:\MyServices\Test.exe""="

//. H /////////////////////////////////////// ///////////////////////////////////////// // Cppmysql-a c ++ wrapper around the MySQL database library. // // Copyright (c) 2009 Rob Groves. All Rights Reserved. lizp.net@gmail.com // // Permission to

Directory of this document Objective One, the first C language program written-hello world Second, compile the program Third, the link program Iv. Operating Procedures V. Summary Vi. Learning Suggestions Vii.

Directory of this document First, the classification of functions Ii. declaration and definition of functions Iii. formal parameters and arguments of a function Description: This C language topic is the

First, the classification of functionsAs already mentioned, the functions in C are the "methods" in object-oriented, and the functions of C can be divided into 3 classes:1. The main function, which is the main function. There can be only one or one

C ++ experience and experience C ++ experience: I. constructor is never called a virtual function: In the simplest way, the C ++ object model manages virtual functions based on the virtual function table. Therefore, when calling a virtual function,

Knowledge Points:External functions: Defined functions can be accessed by this file and other files1> all functions are external functions by default2> external functions with the same name are not allowedIntrinsic functions: Defined functions can

· A function can take any number of arguments or no parameters.· A function can return a value, but the function does not force it to return a value.· If the function returns a void type, the value cannot be returned.If you want a function that

The return value of the main function are you paying attention? Maybe someone would say that there can be no return value, if you drill down into the program's CRT startup code, you'll find ....1 __initenv = envp; 2 Mainret = Main (argc, argv, envp);

Return is a pre-defined C ++ statement that provides an amplification function for execution. When the return statement provides a value, this value becomes the return value of the function. Speaking of return, it is necessary to mention the

Getting startedFunction main function in variable C ++ Data Type C ++ operator C ++ array String Array string operation function C ++ is a powerful language that can be used for tasks that other languages cannot do. However, this powerful feature

Note: This C language topic is a prelude to iOS development. To enable programmers with object-oriented language development experience to quickly get started with the C language. If you have no programming experience or are not interested in C and

Return is a pre-defined C ++ statement that provides an amplification function for execution. When the return statement provides a value, this value becomes the return value of the function. when it comes to return, it is necessary to mention the

1. Table 2.1. c Standard Escape Character \ 'single quote or apostrophe) \ "Double quotation marks "\? Question mark? (Question mark) \ backslash \ (backslash) \ A bell (alert or bell) \ B backspace \ f form feed) \ n line feed \ r carriage return \

Disclaimer: I have limited knowledge, the article may be wrong or not comprehensive, I hope to correct and discuss!The simplest C language program should be a main function, and main has nothing to do with it. As follows:C File Main.c:int main ()

Composition and writing form of C + + program1 A C + + program can be composed of one program unit or multiple program units. Each program unit acts as a file. When the program compiles, the compilation system compiles each file separately, so a

According to the new C99 standard, even if the function itself does not have a return value defined, the compiler adds it to return to the firing program, running state. Many people even have some books on the market that use void main (), which is

First, the learning processWhy do we use variables in high-level languages? Because we want to store the data, and because we want to use grammatical structures such as loops, the stored data needs to be constantly changed, and the characteristics

Before writing notes, I saw some content in advanced C language books. There are many textbooks for C language learning. I don't necessarily like this, or what I record every day may not be in line with everyone's wish, but it is just a record. You

Take the following C program as an example:#include Const intA =Ten;intA = -;Static intb = -;intC;intMainvoid){ Static intA = +; CharB[] ="Hello World"; Registerintc = -; printf ("Hello world%d\n", c); return 0; }We define some variables in the