Automatic vs. Static Variables
Explore the differences between automatic and static local variables in C functions. Understand how automatic variables are created and destroyed with each call, while static variables retain their values between calls. Learn when to use static variables to track function calls or improve efficiency by preserving large data across executions.
We'll cover the following...
We'll cover the following...
Two kinds of local variables
We talked about variable scope and the idea that variables declared within a function are local to that function. What actually happens is that each time a function is called by another piece of code, all the variables declared within the function are created (that is, memory is allocated to hold them). When the function is finished, all of that local memory storage is ...