Tag: extern

3 posts

Aug 16, 2026 12 min read Intermediate

C++ extern Linkage: External vs Internal Linkage, extern "C" and the ODR

C++ extern linkage: external vs internal linkage, extern "C", ODR-safe headers, const globals, namespaces, and explicit template instantiation.
Jul 17, 2026 25 min read Advanced

static, extern, const, constexpr, inline, volatile, mutable: What Each C++ Keyword Changes

A practical rundown of C++ storage and type-qualifier keywords - static, extern, const, constexpr, inline, volatile, and mutable - with what each one actually changes about linkage and lifetime.
Jun 6, 2026 16 min read Intermediate

C++ Linkage and Storage Duration: extern and static

External, internal and no linkage plus automatic, static, thread-local and dynamic storage in C++: extern, anonymous namespaces, static locals, init order.