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accessº¯ÊýºÍopenº¯ÊýµÄÇø±ð - C/C++ / CÓïÑÔ

accessº¯ÊýºÍopenº¯ÊýµÄÇø±ð
  60 if(access(path,R_OK)==0)
  61 printf("access read success \n");
  62 else
  63 printf("access read error \n ");
  64 if(open(path,O_RDONLY)<0)
  65 printf("open read success \n");
  66 else
  67 printf("open errror success \n");
stam@MyOpenSuSE:~/resently/c_lang/access> ls -al duck.txt 
-rw-r--r-- 1 stam users 0 04-20 10:41 duck.txt
Ϊʲôaccess ×ÜÊÇ»áread error £¿£¿£¿ÓÃls ÃüÁî²é¿´È¨ÏÞÊÇreadable²Å¶Ô°¢£¬¶øopen·µ»ØÖµÊÇopen success ,²»Ã÷°×Ϊʲô £¬Ð»Ð»´ó¼Ò


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linux»·¾³ÏÂgethostbynameº¯ÊýÎÊÌâ - C/C++ / CÓïÑÔ

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  struct hostent *hp; 
char AlarmDevIP[20];  
  int x2;

hp = gethostbyname("www.google.com");
if (hp)
{ ......

C/C++ÀïÆÁshift+f10¼üÒªÔõôд£¡ - C/C++ / C++ ÓïÑÔ

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execlÔõôµ÷ÓÃjava³ÌÐò - C/C++ / CÓïÑÔ

ÈçÌ⣬C/C++ÖеÄexeclÔõôµ÷ÓÃдºÃµÄjava³ÌÐò£¬
execl("/opt/java1.5/bin/java","MyClass",NULL);
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C/SÏîÄ¿¼Ü¹¹Éè¼Æ----ÇóÖú - Java / Java SE

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C/C++/MFCȺ - C/C++ / ·Ç¼¼ÊõÇø

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