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What is meant by global static? why we have to use static
variable instead of Global variable
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Answer Posted / indira amit
Variables defined local to a function disappear at the end
of the function scope. So when we call the function again,
storage for variables is created and
values are reinitialized. So if we want the value to be
extent throughout the life of a program, we can define the
local variable as "static." Initialization is performed only
at the first call and data is retained between func calls.
Had it been gloal variable, it would have been available
outside the scope of the function, but static variable is
not available outside the scope of a function (helpful in
localizing errors - as it can't be changed outside the func
scope).
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