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What are the different storage classes in C?

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2009-08-13 10:09:58
2009-08-13 10:09:58

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Different from what? Storage classes are auto, register, static, extern and typedef (formally).


AUTO EXTERN STATIC are the storage classes in c++


There are four storage classes in ca) autob) registerc) staticd) extern


In C there are four storage classes: automatic, external, register and static.



A storage class defines the visibility and lifetime of variables or/and functions within a C Program. There are following storage classes which can be used in a C Program: auto register static extern


storage classes determines the part of memory where storage is allocated for an object. a scope specifies the part of the program which a variable name is visible, that is accessibility of the variable by its name. in c language there are four storage classes automatic, external, register, static.


Storage classes are auto, register, static, extern and typedef (formally only).


i dont know so why are you asking me


the differente storage classices is auto,extern,register,and static storage class


We don't. The auto storage class is the default storage class for all local variables and is therefore completely redundant in C. It exists for no other reason than that C evolved from B and inherited all its storage classes (auto, static, extern and register).


The storage class specifiers in C and C++ are:autoexternmutableregisterstatictypedefA storage class specifier is used to refine the declaration of a variable, a function, and parameters


That's completely up to the teacher, andit can be different in different classes.


Automatic, register, external, static


The C language does not have classes. This is a C++ question.


If you are asking about storage class then there are 4 storage classes 1. auto 2. extern 3. register 4. static and if u r asking about types of class then it is 3 1. public 2. private 3. protected


In C, "typedef" is a storage class, but sort of a weird one. It specifies that you are not actually creating an object, but merely defining a type. As such, there is nothing to be stored (at runtime). The other storage classes, auto, extern, register, and static, all specify actual storage.


Auto is one of the four storage classes in c. This is the default storage class. The auto storage class can be used only inside functions, i.e. only to declare local variables and not to declare global variables. All the local variables are by default auto variables. Other storage classes are: Register - variables declared may get stored in CPU registers instead of RAM Static - default storage class for global variables extern - defines global variables that is visible to all object modules


There is no advantage because C has no classes. Only C++ has classes.


Different programming languages have different built-in classes. You can usually add your own classes.Different programming languages have different built-in classes. You can usually add your own classes.Different programming languages have different built-in classes. You can usually add your own classes.Different programming languages have different built-in classes. You can usually add your own classes.


There are Four main storage classes are there in c language 1.static(0 is default value of this class ,local area) 2.auto( Garbage value is default value of this class,local area) 3.register(Faster execution i.e, CPU receives values directly from register) 4.extern(specification for out of program)


In C there are four storage classes: auto, static, extern and register. These storage classes essentially define the scope or visibility of a name (a function or variable). All four are inherited from B, the language from which C evolved.The auto storage class is used to explicitly declare a non-static local variable. However, given that all non-static local variables are implicitly automatic in C, explicit use of the auto storage class is therefore redundant in C. Moreover, in C++11, explicit use of the auto storage class was dropped entirely; the auto keyword is now used for automatic type deduction in C++.The static storage class is used to explicitly declare a static local variable. In addition, all global variables and functions are implicitly static and have external linkage, but if explicitly declared static they have internal linkage only.The extern storage class is used to allow access to a name that has external linkage.The register storage class is used to define a variable that should be allocated in a CPU register rather than in working memory (RAM).


not sure your question is phrased correctly. There are no different types of polymorphism in C++. You can implement it via the use of virtual functions in base classes.



Extern is not storage class.



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