Explain different storage classes in C.Explain static storage class if used in your project.

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Different storage classes in C and explanation of static storage class.

Storage classes in C are auto, register, static and extern.
Auto storage class is default and variables are stored in stack memory.
Register storage class is used for variables that need to be accessed quickly and are stored in CPU registers.
Static storage class is used for variables that retain their value even after function execution and are stored in data segment.
Static storage class can be used in a project for variables that need to maintain their value across function calls.
Example: static int count = 0; in a function will retain its value across function calls.
Extern storage class is used for variables that are defined in other files and need to be accessed in the current file.

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