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how many types of storage classes in c and embedded c
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Answer Posted / anoop r.s
There are 4 storage classes in C.
The storage classes are used to specify the scope of a variable
The storage classes supported by C are
1.automatic storage class:-All variables declared inside a functions are automatic by default.It is represented using the keyword auto.If not assigned,it will be initialized with garbage values
2.static storage class:The variable declared as static will be accessible to all the functions inside the programs.The keyword used is static>these variables are initialized to zero if not assigned by the user
3.Register storage class:The are the variable that are frequently used in a program.Instead of storin in RAM,there variables are stored in registers.No immediate addressing can be used with these variables
4.Extern storage class:These are the variable declared in one program and can be used from other program
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