What's the size of a pointer?

Answer 1

On a 32 bit architecture pointer size is 4 bytes, and on 64 bit architecture it is 8 bytes, the difference is because 64 bit architecture supports much larger memory, and pointing to an offset for large memory a large number is needed.

Hth, cmiiw

https://code.sololearn.com/cwmYgy5caArV/?ref=app

Answer 2

Hardware architecture.

so use sizeof() 4 your programs

Answer 3

It depends: 4 or 8 byte

Answer 4

depends on what ?