KwickClips C++ · 42 sec · free
What does int *p declare?
Short answer. A pointer to an int.
What does *p mean in an expression?
The value at the address.
Remember
| int *p: declares a pointer |
| *p: value at the address |
Can you change a variable without its name? Yes. Int star p holds the address of m. Star p equals ninety stores ninety at that address. So m becomes ninety. Remember. Int star p declares it. Star p reaches the value.
This clip is from the full lesson: Pointers in C — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: Programming All levels C, Programming All levels C, Programming All levels C, Programming All levels C
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