alt Hacker NewsA nitpick to your nitpick: they said "memory location". And yes, a pointer always points to a memory location. Notwithstanding that each particular region of memory locations could be mapped either to real physical memory or any other assortment of hardware.
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kevin_thibedeau • today at 1:38 PM
You can point to a register which is certainly not memory.
No. Neither in the language (NULL exists) nor necessarily on real CPUs.