Static storage
Static storage duration is the storage duration of an object whose lifetime extends throughout program execution.
Modern C, Third Edition
A static object is a C object with static storage duration whose lifetime extends across the entire program execution.
- How it is used
- Explains how object lifetime and initialization depend on storage duration.
- How deep it goes
- Defines lifetime, eligible object forms, and initialization constraints, including startup-resolved addresses.
- Examples
- Shows a file-scope object, a static compound literal, and a block-scope static object.
- What you can do after
- Understand which C objects persist throughout execution and how they are initialized.
Modern C
static is a C storage class specifier that gives an object static storage duration and can affect linkage.
- How it is used
- Separates an object's lifetime and initialization rules from the visibility of its identifier.
- How deep it goes
- Defines static duration, its declaration routes, whole-execution lifetime, and initialization constraints, while only briefly noting linker mechanics.
- Examples
- Uses file-scope objects, block-scope static variables, and a compound literal to illustrate static duration.
- What you can do after
- Understand which objects persist throughout execution and how static duration affects their initialization.
Related concepts
- initializationconfigures · Initialization is the process of establishing initial values or a starting state for a program entity, component, resource, or computation before subsequent operation.
- storage classkind of · A storage class specifier is a C declaration keyword that specifies an object's storage duration, linkage, or related declaration properties.
- compound literalused by · A compound literal is a C expression consisting of a parenthesized type name followed by an initializer that creates an unnamed object.
- externconfigured by · extern is a language construct for declaring or referring to entities supplied outside the current declaration or compilation unit, including through external linkage or foreign interfaces.
- stack overflowproduced by · A stack overflow is a runtime failure caused by exhausting the available capacity of a program’s call stack.
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