Global variable and function : Variable Scope « Language Basics « C / ANSI-C






Global variable and function

#include <stdio.h>
int count;  /* count is global  */

void func1(void);
void func2(void);

int main(void)
{
  count = 100;
  func1();

  return 0;
}

void func1(void) 
{
  int temp;

  temp = count;
  func2();
  printf("count is %d", count); /* will print 100 */
}

void func2(void)
{
  int count;

  for(count=1; count<10; count++)
    putchar('.');
}


           
       








Related examples in the same category

1.Define and use Global variables
2.Variable scope: in and out a block
3.Define block inside a function
4.Define variable in a block
5.Define and use global variable and function
6.Define local variable for a function
7.Work with global variable
8.A free-standing block statementA free-standing block statement
9.Variable scope:inside a function
10.use global vars
11.Use global variable in function
12.Our own power function with parameters
13.Assign value to global variable