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/************************************************************************
*
* Purpose: Demonstrate global and internal variables
* Author: M J Leslie
* date: 02-Feb-94
*
************************************************************************/
int counter = 0; /* global because we are outside
all blocks. */
int func(void);
main()
{
counter++; /* global because it has not been
declared within this block */
printf("counter is %2d before the call to func\n", counter);
func(); /* call a function. */
printf("counter is %2d after the call to func\n", counter);
}
int func(void)
{
int counter = 10; /* local. */
printf("counter is %2d within func\n", counter);
}
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