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struct Struct_Object_A
{
    int a;
    int b;
    Struct_Object_A *next;
} OBJECT_A;
typedef struct Struct_Object_B
{
    int a;
    int b;
    int c;
    Struct_Object_B *next;
} OBJECT_B;      
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typedef struct liststruct
{
    liststruct *next;
} LIST, *pLIST;
pLIST Head = NULL;
pLIST AddToList( pLIST Head, void * data, size_t datasize )
{
    pLIST newlist=NULL;
    void *p;
    // ·ÖÅä½ÚµãÄÚ´æºÍÊý¾ÝÄÚ´æ
    newlist = (pLIST) malloc( datasize + sizeof( LIST ) );
    // ΪÕâ¿éÊý¾Ý»º³åÇøÖ¸¶¨Ò»¸öÖ¸Õë
    p = (void *)( newlist + 1 );   //²»Àí½â
    // ¸´ÖÆÊý¾Ý
    memcpy( p, data, datasize );
    // ½«Õâ¸ö½ÚµãÖ¸¶¨¸øÁ´±íµÄ±íÍ·
    if( Head!=NULL )
    {
        newlist


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int func(x)
{
int countx = 0;
while(x)
{
countx ++;
x = x&(x-1);
}
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}
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