What is the default storage class for any function in c?

What Is the Default Storage Class for Any Function?

The default storage class for any function in C is auto. This means that the function is allocated memory on the stack when it is called and is deallocated when it returns.

Auto variables are local to the function in which they are declared. This means that they can only be accessed within the function in which they are declared and not outside of it.

Example of an auto function:

void my_function() {
  int x = 10; // auto variable

  // ...
}

The variable x in the above example is an auto variable. It is allocated memory on the stack when the function my_function() is called and is deallocated when the function returns.

Auto functions are the most common type of function in C. They are used for a variety of tasks, such as performing calculations, printing output, and manipulating data.

Some other storage classes that can be used for functions in C:

• static: Static functions are allocated memory in the data segment of the program and remain in memory for the duration of the program.
• extern: Extern functions are declared outside of a function and are typically defined in a separate source file.
• register: Register functions are stored in CPU registers, which can improve their performance.

However, the default storage class for functions in C is auto.

Top Resources

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