Post by z00ey on May 20, 2003 7:56:06 GMT -5
a global var can be called in any funtion of the code, a local var can only be called in the function where it has been declared.. ..pretty easy, lol..
..the only funny thing that confused me at the beginning is that you can declare the same variable two times in same code: once as local and once as global.. ..and note: the local var will be called FIRST in a function where it s used, not the global one
..here is a little code i once made to understand
br]
#include <iostream>
using namespace std;
int a,b;
void meepmeep(void) {
int a;
a=0;
if(a==0) {
a=19;
cout << "a = " << a << endl;
}
cout << "a = " << a << endl;
}
int main() {
a=b=4;
cout << "a = " << a << " and b = " << b << endl;
meepmeep();
cout << "a = " << a << " and b = " << b << endl;
}
..the output will be like
br]
a = 4 and b = 4
a = 19
a = 19
a = 4 and b = 4
like we expected, lol
...maybe this might help someone, pls leave any questions here
