KwickClips C · 41 sec · free
Where does a local variable live?
Short answer. Inside its block only.
Where is a global declared?
Outside all functions.
Remember
| Local: inside a block only |
| Global: outside all functions |
A global and a local share one name. Which prints? The global n is one. Inside main, a local n is two. The nearest one wins, so it prints two. Remember. Local lives inside its block. Global sits outside all functions.
This clip is from the full lesson: Scope, Lifetime and Storage Classes — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: Programming All levels C, Programming All levels C
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What is lifetime?40 sec
Which storage classes start at zero?44 sec
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