# include
void main()
{
/* 说明本文件将要使用其它文件中的函数 */
extern int multiply();
extern int sum();
int a, b;
int result;
printf("Please input a and b: ");
scanf("%d, %d", &a, &
/* PR c++/4754 */
/* { dg-do compile } */
// GCC 3.2 got very confused by the nested extern "C" blocks, and thought
// there was a storage class specifier on 'int i'.
extern "C"
{
extern "C" str
/* EXTERN.h
*
* Copyright (c) 1991-2001, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the READ
.ix 'storage class' 'extern'
.ix 'extern storage class'
.*
.pp
If an object is declared with the keyword
.kw extern
inside a function, then the object has
.ix linkage external
.ix 'external li
#ifndef __H323CONFIG_H__
#define __H323CONFIG_H__
/** 设置子网掩码
* OK or ERROR
*/
extern int ConfigureSubnetmask();
/** 设置IP地址
* OK or ERROR
*/
extern int ConfigureIPAddress();
/** 设置网
