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step one£º½«.pcÎļþÔ¤±àÒëΪ.c
    [ecif@localhost zyctest]$ proc sample1.pc
    ÏÔʾÐÅÏ¢£º
    Pro*C/C++: Release 10.2.0.1.0 - Production on Tue Apr 13 14:07:05 2010
    Copyright (c) 1982, 2005, Oracle.  All rights reserved.
    System default option values taken from: /home/oracle/oracle/product/10.2.0/db_1/precomp/admin /pcscfg.cfg
step two£º±àÒë.cÎļþ£¬Éú³ÉÄ¿±êÎļþ
    gcc -L$ORACLE_HOME/precomp/public -I/home/oracle/oracle/product/10.2.0/db_1/precomp   /public/ -c sample1.c
    Ìáʾ¾¯¸æ£º
    sample1.c: In function `main':
    sample1.c:236: warning: return type of 'main' is not `int'
step three£ºÁ´½ÓÄ¿±êÎļþ£¬Éú³É¿ÉÖ´ÐгÌÐò
   gcc -L$ORACLE_HOME/lib -lclntsh -o sample1 sample1.o
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    sample1.o(.text+0x381): In function `main':
    : warning: the `gets' function is dangerous and should not be used.
step four£ºÖ´ÐÐÎļþ
    ./sample1
ÔÚÖ´ÐÐ./samle1³öÏÖ£º
 error while loading shared libraries: /oracle/product/10.2.0/db_1/lib/libclntsh.so.10.1: cannot restore segment prot after reloc: Permission denied
½â¾öµÄ°ì·¨ÊÇ£º
 chcon -t texrel_shlib_t   /oracle/product/10.2.0/db_1/lib/*.so


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void printptr(int *i){
printf("&i of printfptr = %#X\n",&i);
printf("i of printfptr = %#X\n",i);
printf("*i of printfptr = %d\n",*i);
printf("i+1 of printfptr = %#X\n",i+1);
printf("*(i + 1) of printfptr = %d\n",*(i ......
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