Can you please what is the difference between usage of extern variable and pointer in c.
d/b extern var & pointer
Can you please what is the difference between usage of extern variable and pointer in c.
extern means the variable is declared in another file.
A pointer is just a variable whose value is a memory address.
Quzah.
Hope is the first step on the road to disappointment.
Thanks, but when we use which(extern var/pointer)?
If you are using a variable that is declared in another file, you can use extern.
If you have the memory address of a variable, you can use a pointer.
Post some code if you want us to be more specific.
Thanks Inequity.
