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int main(int argc, char* argv[])
    {
    /**//* ************************************************************
            Ö¸Õë
    **************************************************************/
        int *i = new int(4);
        int j = 2;
        int rgNum[30][4];
        int (*p)[4] = rgNum;//p±»ÉùÃ÷Ϊһ¸öÖ¸ÏòÒ»¸ö4ÔªËØ£¨intÀàÐÍ£©Êý×éµÄÖ¸Õë

        int *q[5];//q±»ÉùÃ÷Ϊһ¸ö°üº¬5¸öÔªËØ£¨intÀàÐ͵ÄÖ¸Õ룩µÄÊý×é

        int **p1;//p1ÊÇÒ»¸öintÀàÐ͵ÄÖ¸ÕëµÄÖ¸Õë
        int *&p2 = i ;//p2ÊÇÒ»¸öintÀàÐ͵ÄÖ¸ÕëµÄÒýÓÃ
    //     int &*p3;//ERROR: Pointer  to a reference is illegal.
    //     int &&p4;//ERROR: Reference to a reference is illegal.

    /**//**************************************************************
            const
    ***************************************************************/
        const int n = 5;//const¹Ø¼ü×Ö·ÅÔÚÀàÐÍ»ò±äÁ¿Ãû֮ǰµÈ¼ÛµÄ
        int const m = 10;//const¹Ø¼ü×Ö·ÅÔÚÀàÐÍ»ò±äÁ¿Ãû֮ǰµÈ¼ÛµÄ

        int * const r = i;//Ö¸ÕërµÄÖµ½«²»ÔÙÔÊÐí±»¸Ä±ä,µ«*rµÄÖµ¿ÉÒԸıä.
        *r = 2;

        const int *l= &n;//*lµÄÖµ²»Äܸı䣬µ«l¿ÉÒԸıä
        l= &j;

    /**//**************************************************************
   &nbs


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#include <stdio.h>
#include <stdlib.h>
long filesize( FILE *fp )
{
    long int save_pos;
    long size_of_file;
    /* Save the current position. */
    save_pos = ftell( fp );
    /* ......
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