global declaration in c programming

1. Can a local variable be renamed with a global variable? A: Yes. Global blocking will be performed in some cases. To use global variables, you must use "::" A local variable can have the same name as a global variable. A local variable with the

1, can local variables and global variable duplicate? A: Yes, the local will screen the overall situation. To use a global variable, you need to use the "::" Local variables can have the same name as global variables, and when referenced within a

There are two ways to use static: process-orientedProgramStatic in design and static in object-oriented programming. The former applies to common variables andFunction, which does not involve classes. The latter mainly describes the role of static

This article is mainly about the use of extern declaration of global variables, although the knowledge point is relatively simple, but easy to make mistakes, only with those beginners C + + friends to share, hope not to let Daniel laughed.The most

In C + + the global variable declaration error condition causes the LNK2005 error mainly has the following kinds of situations: 1. The global variable is repeatedly defined. There are two possible scenarios: A, for some beginners programming

C ++ declaration and definitionC ++ declaration and definition The Declaration is to introduce a name into the program. The definition provides a unique description of an object in the program. Declarations and definitions sometimes exist at the

Transferred from: http://www.cnblogs.com/rocketfan/archive/2009/10/02/1577361.html   1. compilation unit: A. cc or. cpp file is used as a compilation unit to generate. O. 2. Definition and declaration of common data types, Function Definition and

Original blog, reprint please indicate the source--Zhou Xuewei http://www.cnblogs.com/zxouxuewei/Static is used in two ways: static in process-oriented programming and static in object-oriented programming. The former applies to ordinary variables

Global variables in Lua do not need to be declared for use. This is handy for small programs, but a simple clerical error in a large program can cause hard-to-find bugs.However, this performance can be changed. Because LUA places global variables in

Google C ++ programming style guide (1): header file [this article]Google C ++ programming style guide (2): ScopeGoogleC ++ programming style guide (III): c ++ classGoogle C ++ programming style guide (4): Smart pointers and other C ++