範例

static void foo(){
printf("foo is not called in this file");
}


int main(int argc, char* argv[])
{
return 0;
}

解決方案
請使用 static 函數,或將它從檔案中移除。

static void foo(){
printf("foo is not called in this file");
}


int main(int argc, char* argv[])
{
foo();
return 0;
}