variable declaration definition

Original: http://www.cnblogs.com/GavinDai/archive/2011/10/24/2222735.htmlWe are in the program design, always use the definition of variables and the declaration of variables, but sometimes we are not very clear about the concept, know how it is

We are in the program design, always use the definition of variables and variable declarations, but sometimes we are not very clear about the concept, know how it is used, but do not know how to do, the following I simply put their differences are

variable declarations and variable definitions Variable definitions: Used to allocate storage space for a variable, and to specify an initial value for a variable. In a program, a variable has and has only one definition. Variable declaration: Used

compiler compiles a program, it compiles only one source file and generates the corresponding intermediate file (for the VC, the. obj file), and then the connector unifies all intermediate files to form an executable file. The problem is that when

Differences between variable definition and Declaration (Reprinted) In program design, we always use the definition of variables and the declaration of variables. Sometimes we are not very clear about this concept and know how to use it, but I don't

[C ++ Note] 2. Variable declaration and definition, and variable Declaration It is impossible to put all C ++ programs in one file. Therefore, C ++ supports the separate compilation mechanism, which allows programs to be divided into several files,

The difference between a variable declaration and a definitionWe are in the program design, always use the definition of variables and the declaration of variables, but sometimes we are not very clear about the concept, know how it is used, but do

Written in front of those have to say crapThe first two days of the class party, in addition to eating and sleeping is to sleep, it is joy, really alone lele than the public Lele ah.PS: Graduating or graduating will have time to gather together,

Methods for defining functionsThere are three main ways to define a function: Functions declaration (Function Declaration) function expression) New function constructor Among them, the function declaration and function

Two days before the class party, in addition to eat and drink is sleeping, is a joy, is really a lonely lele than the public Lele ah. PS: Graduated or about to graduate have time to get together, after the industry belongs to their own time to get