Sharing Variables Between Functions with Global variables - C Function

C examples for Function:Global Variable

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Introduction

You can share the count variable between the functions.

Demo Code

#include <stdio.h>

int count = 0;                         // Declare a global variable

void test1(void);
void test2(void);

int main(void){
  int count = 0;                       // This hides the global count

  for( ; count < 5 ; ++count){
    test1();/*  w ww. j a  va 2  s .c  o  m*/
    test2();
  }
  return 0;
}

void test1(void){
  printf("test1   count = %d\n", ++count);
}
void test2(void){
  static int count;                   // This hides the global count
  printf("test2   count = %d\n", ++count);
}

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