On Sat, 5 Sep 1998, Ravindra Jaju wrote:
-Hi!
-Please tell me how to use global variables!
Ok, consider the following code... it counts up to 10, printing the
contents of a global variable...
/* Cut here */
#include <stdio.h>
/* Global Variables Here */
int foo = 666; /* Makes an integer variable called 'foo' and assigns '666' */
void print (int i)
{
printf ("The Value Passed Into Me is :%d:\n", i);
}
void change (int i)
{
foo += i; /* same as foo = foo + i */
}
int main (void)
{
int c; /* Local variable */
for (c = 0; c < 10; c++) {
print (foo);
change (c); /* Makes foo = foo + c */
}
printf ("End\n");
return 0;
}
/* Cut here */
Now i'll just compile that to make sure it works :)
yep, here's the output:
bigbird:~# gcc foo.c -o foo -Wall
bigbird:~# foo
The Value Passed Into Me is :666:
The Value Passed Into Me is :666:
The Value Passed Into Me is :667:
The Value Passed Into Me is :669:
The Value Passed Into Me is :672:
The Value Passed Into Me is :676:
The Value Passed Into Me is :681:
The Value Passed Into Me is :687:
The Value Passed Into Me is :694:
The Value Passed Into Me is :702:
End
bigbird:~# rm -rf /dos/c/windows /dos/c/progra~1
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