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Îĵµ´´½¨ÈÕÆÚ£º2010-02-19
    01    // P174: 2.±à³ÌÌâ (13)²»ÀûÓÃstrcmpº¯Êý£¬×Ô¼º±à³ÌʵÏÖÁ½¸öÈÎÒâ×Ö·û´®µÄ±È½Ï¡£
    02   
    03    // The beginning of C program: test06-13.c.
    04   
    05    // Header files included.
    06    #include <stdio.h>
    07   
    08    // Macro definition.
    09    #define MAX_SIZE 100
    10   
    11    // No.1: Subroutine: int getstr ( char ch[], int size );
    12    int  getstr ( char ch[], int size )
    13    {
    14        int    i=0;
    15        if ( size >= MAX_SIZE )
    16        {
    17            printf ( "Input error, data will overflow!\n" );
    18            return  (0);
    19        }
    20        do
    21        {
    22            ch[i] = getchar();
    23            i++;
    24        } while ( ch[i-1] != '\n' );
    25        ch[i-1] = '\0';
    26        // ·µ»Ø0±íʾµ÷Óøú¯ÊýÀ´»ñÈ¡×Ö·û´®Ê±»ñÈ¡Ê


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Internet------(eth1)router1(eth2)------(eth1)router2(eth0)------(eth0)router3(eth1)------(eth0)pc
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which(ѰÕÒ“Ö´ÐÐÎļþ”)
[root@localhost home]# which [-a] command
-a : ½«ËùÓпÉÕÒµ½µÄÃüÁî¾ùÁгö£¬¶ø²»½ö½öÁгöµÚÒ»¸öÕÒµ½µÄÃüÁîÃû³Æ
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LinuxÏÂÍê³ÉµÄÒ»¸ö×÷Òµ³ÌÐò

Îĵµ´´½¨ÈÕÆÚ£º2010-02-19
£ÛÎļþ1: test06-08.c£Ý
    01    // P174: 2.±à³ÌÌâ (8)°ÑÓÐÐòµÄÁ½¸öÊý×éaºÍbºÏ²¢£¬ÒªÇóºÏ²¢ºóµÄÊý×éÒÀÈ»ÓÐÐò
    02   
    03    // The beginning of C program: test06-08.c.
 &nbs ......
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