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pgrep ÊÇͨ¹ý³ÌÐòµÄÃû×ÖÀ´²éѯ½ø³ÌµÄ¹¤¾ß£¬Ò»°ãÊÇÓÃÀ´ÅжϳÌÐòÊÇ·ñÕýÔÚÔËÐС£ÔÚ·þÎñÆ÷µÄÅäÖú͹ÜÀíÖУ¬Õâ¸ö¹¤¾ß³£±»Ó¦Ó㬼òµ¥Ã÷ÁË£»
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[root@localhost ~]# pgrep -lo httpd
4557 httpd
[root@localhost ~]# pgrep -ln httpd
4566 httpd
[root@localhost ~]# pgrep -l httpd
4557 httpd
4560 httpd
4561 httpd
4562 httpd
4563 httpd
4564 httpd
4565 httpd
4566 httpd
[root@localhost ~]# pgrep httpd
4557
4560
4561
4562
4563
4564
4565
4566


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ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

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Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

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LinuxµÄÍøÂçϵͳÖ÷ÒªÊÇ»ùÓÚBSD Unix µÄsocket»úÖÆ£¬ ·ÃÎÊÍøÂçÉ豸µÄÇý¶¯³ÌÐò²»ÐèҪʹÓÃÉ豸½Úµã¡£ÔÚϵͳºÍÇý¶¯³ÌÐòÖ®¼ä¶¨ÒåÓÐרÃŵÄÊý¾Ý½á¹¹£¨sk_buff£©½øÐÐÊý¾ÝµÄ´«µÝ¡£ÏµÍ³ÄÚ²¿Ö§³Ö¶Ô·¢ËÍÊý¾ÝºÍ½ÓÊÕÊý¾ÝµÄ»º´æ£¬ÌṩÁ÷Á¿¿ØÖÆ»úÖÆ£¬Ìṩ¶Ô¶àЭÒéµÄÖ§³Ö¡£Òò´Ë£¬Ñ¡ÔñÄĸöÇý¶¯³ÌÐòÊÇ»ùÓÚÄÚºËÄÚ²¿µÄÆäËû¾ö¶¨£¬¶ø²»Êǵ÷ÓÃopen() ......

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int socket(int domain,int type,int protocol)
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linux»ñÈ¡IPµØÖ·

 #include <sys/socket.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <net/if.h>
int sock_fd;
struct  my_addr;
struct ifreq ifr;
    unsigned char * addr;
#define ETH_INTERFACE_NAME    "e ......
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