C Exercise Example 44
Title:Learn how to use and call external functions.
Program analysis:None.
Program source code:
Example
// Created by www.example.com on 15/11/9.
// Copyright © 2015 Example Tutorial. All rights reserved.
//
#include <stdio.h>
int a,b,c;
void add()
{
int a;
a=3;
c=a+b;
}
int main()
{
a=b=4;
add();
printf("The value of c is %d\n",c);
return 0;
}
// Copyright © 2015 Example Tutorial. All rights reserved.
//
#include <stdio.h>
int a,b,c;
void add()
{
int a;
a=3;
c=a+b;
}
int main()
{
a=b=4;
add();
printf("The value of c is %d\n",c);
return 0;
}
The output of the above example is:
c 的值为 7other extensions