#include<stdio.h>
main()
{
void gx(),gy();
extern int x,y;
printf("1:x=%d\ty=%d\n",x,y);
y=246;
gx();
gy();
}
void yx()
{
extern int x,y;
x=135;
printf("2:x=%d\ty=%d\n",x,y);
}
int x,y;
void gy()
{
printf("3:x=%d\ty=%d\n",x,y);
}
错误提示如下::::
--------------------Configuration: 2 - Win32 Debug--------------------
Linking...
1.obj : error LNK2005: _main already defined in 2.obj
1.obj : error LNK2005: _yx already defined in 2.obj
1.obj : error LNK2005: _gy already defined in 2.obj
2.obj : error LNK2001: unresolved external symbol _gx
1.obj : error LNK2001: unresolved external symbol _gx
Debug/2.exe : fatal error LNK1120: 1 unresolved externals
执行 link.exe 时出错.
2.exe - 1 error(s), 0 warning(s)
我是照着书写的,不知哪里错了!!
追答你删除了2.c 吗